Just like a wall switch would. From this start their product offering evolved into gas fired furnaces and custom packaged roof top heating & cooling equipment. Our payment security system encrypts your information during transmission. Because the fire dampers are closed, when the air handler ramps up, the duct pressure upstream of the fire dampers will increase to a point where a high static pressure switch will cut power to the VFD (variable frequency drive) and send a signal to the DDC (direct digital control). GW 500 A4, GW 500 A4/2 (IP65): Pressure switch for gas, air, flue gases and combustion products Max. VAT Inc. VAT. Good quality, lousy design, terrible instructions, Reviewed in the United States on October 25, 2019. 1 star 2 stars 3 stars 4 stars 5 stars. How differential pressure switch works for fans Prev. One of our most popular differential pressure switches is now available with a DPDT switch and manual reset. Typically used to activate boosting fans. The electrical contacts of the switch are closed upon sensing positive air pressure generated by the blower. 230 V / 1 ph./ 3 A. Simplifies wiring. FEATURES:High SensitivityMaximum Temperature Limit of 190 F.Simple InstallationSelf-Sealing Factory Mounted Sampling TubeMounting Hardware Included Switch activates Duct Booster by sensing positive pressure on either plenum, trunk, or branch linesSPECIFICATIONS:ELECTRICAL RATING:278 VA Pilot Duty at 24 Volts AC300 VA Pilot Duty at 115 to 277 Volts AC15 AMPS Non-Inductive to 277 Volts ACELECTRICAL SWITCH:SPST, N/O, Snap Action Contacts, Non AdjustableOPERATING PRESSURE / POSITION:On pressure rise at +.05 + .02" W.C. (Diaphragm Vertical)MAXIMUM PRESSURE:1/2 PSIOPERATING TEMPERATURE RANGE:-40 to 1900 F.SAMPLING TUBE:Self-sealing, factory mounted tubeDIMENSIONS:5 3/4" H X 3 1/4" W X 3"DLOCATION AND MOUNTING:1. This device was well built, and works the way it advertises. Fan runs for 10 minutes when pressure is sensed in the duct line then shuts off and turns on again as needed. WC), SPDT, Air Sensing Switch, Manual Reset Type, 0.06 to 0.8 Differential (In. It doesn’t come with directions because it’s obvious to anyone who is knowledgeable enough to be working with electricity. Solimeta Air-Pump Pressure Switch 30-50 psi Pressure Setting, Pressure Switch for W... VIVOSUN 4 Inch Noise Reducer Silencer for Inline Duct Fan, VIVOSUN Variable Vent Fan Speed Adjuster Inline Duct Fan Speed Controller. The Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. RB-Series Register Booster fans are designed to increase the flow of heated air in warm air heating systems or cooled air in central air conditioning systems. This setup is what worked for me. Differential Pressure Switch. Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners, duct heaters, humidifiers, exhaust fans and duct booster fans. You can verify that you have the line (hot) wire with a multimeter making sure there is a voltage drop between the wire and ground. The Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. 1 star 2 stars 3 stars 4 stars 5 stars. SUNSTREAM 4 Inch 190 CFM Plastic Inline Duct Fan Heating Cooling Ventilation and Ex... VIVOSUN 6 Inch 440 CFM Inline Duct Ventilation Fan with Variable Speed Controller. Using the two sheet metal screws furnished, fasten the Duct Airstat to the duct or plenum. 5 stars - Tjernlund tech support is excellent. Delivery. Your recently viewed items and featured recommendations, Select the department you want to search in. The function of the differential pressure switch is to monitor pressure levels within a ventilation system. The electrical contacts of the switch are closed upon sensing positive air pressure generated by the blower. Basically a switch such as this needs to be breaking the hot side (black). If necessary. Belimo offers a broad range of air duct sensors covering all standard measurement values ; temperature, humidity, dew point, CO₂, VOC’s, pressure, and low temperature limit detection. Units are supplied complete with a duct fixing kit. Installations in larger ducts or 'dead spots' in duct work may not create enough positive pressure 'impact' to activate the Duct Airstat. Share - Switch,Duct Pressure PS1503. Senses positive pressure from air handler blower to activate duct booster fans. High pressure air handling performance with low noise and extremely low power usage. WC), SPDT, Air Sensing Switch, HVAC OEM Type, ±0.05 Differential (In. Air Differential Pressure Switch These Air DP Switches are ideal for verifying the correct operation of ventilation systems by monitoring the pressure differential created by air movement and can be used to provide a BS6173:2009 and IGEM/UP/19 compliant interlock when interfaced with any GasGuard system. WC), SPDT, Air Sensing Switch, HVAC/General Purpose Type, 0.02 to 0.3 Differential (In. Honeywell DPS400-UK differential pressure switch plus duct kit 40 -400 pa Product code: 323793 Exc. The switch senses positive, negative or differential air pressure and activates or deactivates the fan. Please make sure that you've entered a valid question. Fast, FREE delivery, video streaming, music, and much more. It’ll work the other way but breaking the neutral side is not safe AFAIK. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. These are highly sensitive air differential pressure switches, suitable for providing an indication of fan status and ‘dirty filter’ conditions. Your question might be answered by sellers, manufacturers, or customers who bought this product. A Duct Fixing Kit to be used with all air pressure switches and sensors. The kit consists of 2m (6.56 ft), 5mm (0.20") i/d plastic tubing, 2 x pilot tubes and 4 x fixing screws. Rely on Grainger for a wide range of duct pressure switch options. Find answers in product info, Q&As, reviews. These items are shipped from and sold by different sellers. 2 previous reviews gave info on how they did the wiring. Duct air pressure switch. Set point adjustment on the … Switch,Duct Pressure PS1503. JavaScript must be enabled in order for you to use this site. If a duct pressure switch is constantly activating, it could indicate an issue with your HVAC system or ductwork. An air switch senses positive, negative or differential air pressure and actuates an internal switch. A furnace pressure switch is a safety device located near the draft inducer motor of a gas forced-air furnace. I finally was able to contact Tom, from Tjernlund (by phone), who walked me through wiring the two units together. Duct air pressure switch. Instead of installing two devices, running a tubing from the static pressure probe to the pressure transducer and using up expensive space in the control panel, with the PR-276 one has to merely drill a 7/16" hole in the duct, insert the integral pres- Drill a 11/32" hole in the duct or plenum to permit the insertion the pressure probe. Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners, duct heaters, humidifiers, exhaust fans and duct booster fans. It shipped fast but doesn’t work, now have to find out what the problem is and how I’m going to fix it, Reviewed in the United States on August 22, 2017. Next. Reviewed in the United States on August 17, 2019. The switching setpoint is adjusted by means of a knob mounted under the main cover. CATALOGUE PAGE # 3045. Tjernland tech Shawn was helpful in advising / confirming this. Air Flow Switch is designed to monitor air flow in ducts. Remove electrical box cover. SDS Document Not Found. Applications include fan monitoring, filter monitoring, and air handlers. We have been Canada's premiere industrial supplier for over 125 years with superior service and quality. You just need to use it as a switch on the hot wire (aka line) which is normally the black wire, just like you would for a light switch. Install a duct pressure switch from Grainger to help your HVAC system do its job. Works year-round for both heating and A/C. Includes a mounting bracket for quick duct mounting. Inkbird Thermostat and Humidity Controller Pre Wired ITC-608T Dual Relays 1800W wit... Lumo-X 6'' Air Carbon Filter Odor Control with Australia Virgin Charcoal. The switch is there to prevent the furnace from running unless the correct venting air pressure is present. WC), SPDT, Air Sensing Switch, HVAC OEM Type, 0.03 to 0.09 Differential (In. 1of3. From $51.10. There was a problem completing your request. Tjernlund Products inception dates back to 1938 when Emil Tjernlund and his son Robert started designing and manufacturing oil fired forced air furnaces. Senses positive pressure from air handler blower to activate Duct Booster fans. Emailing customer support gave me incorrect information. Supply low range differential air pressure sensor transducer,digital display,analog 10VDC,4-20mA,RS485 Modbus,also for fan duct,furnace chamber,hennery. each, Air Sensing Switch, HVAC/General Purpose Type, 0.02 to 0.8 Differential (In. Armstrong International D52160 ELECTRIC DUCT PRESSURE SWITCH-Armstrong International D52160 ELECTRIC DUCT PRESSURE SWITCH Manufacturer: Part Number: Used it on the supply side of my furnace duct, the pressure switch makes contact about 3 seconds after the furnace fan comes on, I use it to turn on a UV light. Hoping for a good result. As duct static pressure increases, the supply fan speed reduces. These ultra quiet register booster fans are ideal when the duct run serving the room is not accessible to install a standard Tjernlund In-Line Duct Booster fan. Reviewed in the United States on May 12, 2019. The PS1503 Duct Airstat switch is designed to sense the positive pressure increase in a supply plenum or duct when an air han-dler or furnace blower is in operation. Skip to main content.sg. © 2008-2020, Amazon.com, Inc. or its affiliates, VIVOSUN 6 inch Inline Duct Booster Fan 240 CFM, Extreme Low Noise & Extra Long 5.5' Grounded Power…. It didnt sound right to me. See images. Cell Phone Booster Band 2 4 5 Cellular Signal Booster for Home 850 1900 1700 Mhz Si... SUNSTREAM 6 inch Duct Booster Fan 240 CFM, Extreme Low Noise, Inkbird 1200W 110V Humidistat Hygrometer Humidity Controller Ihc 200 Double Outlet. The duct pressure sensors in turn send signals to crank the air handler even faster to get back up to normal operation. Way too much internet research required to install this pressure switch. You're reviewing: Monsoon Differential Duct Pressure Switch (FPS1) Your Rating. Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. TPI RH3A Series RH Adjustable Air Flow/Differential Pressure Switch Control, 0.05" - 12" WC, Compression Connection, Tjernlund PS1503P Plug-in Air Pressure Activation Switch for Duct Fans in Central Heating and Air Conditioning Systems, OEM Upgraded Replacement for Goodman Furnace Vent Air Pressure Switch B13701-26, Suncourt DuctStat Temperature Sensitive Switch, Plug in or Inline Thermostat, OEM Upgraded Replacement for Goodman Furnace Vent Air Pressure Switch B13701-42. Great support. Here are some important details for the Pressure Sensing Switch : MOUNTING LOCATION: Vertical or Horizontal, SWITCH TYPE: SPDT, TYPE: HVAC/General Purpose Nickname. Please make sure to install it in the correct orientation as it will not work if you install it upside down. Sold by VIVOSUN and ships from Amazon Fulfillment. I purchased the Tjernlund PS1503 to activate a Tjernlund M-6 duct fan. It is not hard to wire if you know anything about electricity. For assistance please contact our SDS Coordinator by telephone at 1-780-453-0359 or by email at SDS@grainger.ca. Unable to add item to Wish List. Summary. There was a problem adding this item to the Cart Please try again later. The duct Airstat must be mounted in a vertical position.2. The instructions that come with this unit is totally and utterly unsatisfactory. A fixed 'fan-on' setpoint (+ .05 + .02” W.C.). Typical diagrams are shown Left. It is a normally open switch and closes when air pressure actuates the switch. An air switch senses positive, negative or differential air pressure and actuates an internal switch. this control was installed to operate a humidifier foe the winter months, it operated well for the first several weeks and then would stick and keep the water solenoid on even when the fan was not on,,, A TOTAL WASTE OF WATER. Gold-plated connection contacts suitable for BMS applications (24 V / 0,1 A). It required too much pressure to close the switch so I had to get a new one. Please try your search again later. Single pole, single throw, snap-acting switch. Sealing gasket must be mounted on pressure probe to ensure minimal air leakage. The product will be reserved for you when you complete your order. The duct Airstat must be mounted in a vertical position. $46.00 + $4.99 Shipping. An air switch senses positive, negative or differential air pressure and actuates an internal switch. Includes a Wa... To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. 2 App. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. Prime members enjoy Free Two-Day Shipping, Free Same-Day or One-Day Delivery to select areas, Prime Video, Prime Music, Prime Reading, and more. Sign In to access your account information. Operating pressure: 500 mbar Operating pressure: 500 mbar Approvals: EN 1854 The single pole, single throw, snap-acting switch is activated by a diaphragm with integral pressure probe inserted directly into the duct … Insert the pressure probe into the drilled hole, position the Duct Airstat and mark the mounting holes. Please try again. Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners, duct heaters, humidifiers, exhaust fans and duct booster fans. If furnace has central air-conditioning, care must be taken so as not to drill into the cooling coil when mounting the Duct Airstat on the furnace plenum. The Series 1831 combines small size with 4% set point repeatability. Rated for fan up to 15 amp at 120 Volt. Instructions include absolutely no wiring details! WC), SPDT, Air Sensing Switch, Gold Contact Type, 0.02 to 0.01 Differential (In. The electrical contacts of the switch are closed upon sensing positive air pressure generated by the blower. Model # 5C968; View more View less. Get product did just what I needed it to do. It also analyzes reviews to verify trustworthiness. Install a duct pressure switch from Grainger to help your HVAC system do its job. Previous page of related Sponsored Products. Price. Thank goodness for amazon reviews. Enable JavaScript by changing your browser options, and then try again. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. The single pole, single throw, snap-acting switch is activated by a diaphragm with integral pressure probe inserted directly into the duct or plenum. 1 star 2 stars 3 stars 4 stars 5 stars. Since I’m not an electrician I have to revisit wiring every time I do some. Submit … Switch, Duct Pressure Always conduct a thorough checkout when installation is complete. In the mid 1950's our Auto Draft Inducers were developed to eliminate draft problems associated with short stacks on roof top units. On a call for full pressure, the fan runs at full speed. Remove control and drill or punch two 1/8" holes for mounting screws.5. bend the mounting feet with pliers to match the contour of the duct or plenum. Strip insulation from wires approximately 1/2”. Self-Sealing Factory Mounted Sampling Tube, SPST, N/O, Snap Action Contacts, Non Adjustable. DIFFERENTIAL, GAUGE PRESSURE OR VACUUM SWITCH ; Pressure range from 0.15" W.C. TO 22" W.C. Up to 10 Amp, 480 VAC Ratings Weather tight or panel mount housing options Custom Set Point and Features Optional foot mount, fittings and port orientation UL and CSA approval options Tjernlund PS1503 Duct Airstat Pressure Switch: Amazon.sg. One of MANY ways to wire a control system for a single inline duct fan with an air handler or gas furnace. The increased duct pressure expands a diaphragm which in turn mechanically closes the normally open electrical switch contacts to activate accessories in tandem with the central blower. Install a duct pressure switch from Grainger to help your HVAC system do its job. Reviewed in the United States on July 2, 2018. Product Quality. This shopping feature will continue to load items when the Enter key is pressed. After viewing product detail pages, look here to find an easy way to navigate back to pages that interest you. If not, I’ll find a different brand. Make sure this fits by entering your model number. Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage. Try locating pressure probe at several points. Bend each bare lead around its respective terminal in a clockwise direction and tighten terminal screw. Airstat Pressure Switch The Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. SWITCH,DUCT PRESSURE; Item # WWG5C968; Mfr. Ambient temperature -20° to +85°C. Other people within the heating industry soon saw the advantages of our draft inducers and wholesale distribution of the Auto Draft Inducers began in 1957. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Pre-Filter and Rope Ratchet Hangers Included for Grow Tent, Inline Duct Fan, HVAC Ventilation, Greenhouse, Hydroponics, iPower GLFANXINLINEEXPC6 6 Inch 350 CFM Inline Duct Fan with Variable Speed Controller Ventilation, Quiet HVAC Blower, 6", Black, AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust, Hon&Guan Stainless Steel Round Bull Nosed External Extractor Wall Vent Outlet 4 Inch, SunStream 4 Inch 190 CFM Duct in line Fan Vent Blower for HVAC Exhaust and Intake, Grounded Power Cord, iPower 6 Inch 240 CFM Inline Duct Booster Fan Extractor Exhaust and Intake Vent Fan 5.5' Grounded Power Cord. We do not have any recommendations at this time. Absolutely no power is required to operate the DPDT switch. When used on a zone control system, the supply air static pressure increases as various zone dampers close down. If necessary, bend the mounting feet with pliers to match the contour of the duct or plenum.4. Hopefully this one will last longer. Pymeter Digital Temperature Controller Heat Mat Dual Thermostat Outlet Heating Cool... BAOSHISHAN Hydraulic Pressure Switch DNA-250K-06i Air Pressure Relay Switch, BAOSHISHAN Hydraulic Pressure Switch DNA-360K-06i Air Presure Relay Switch …, VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Variable Speed Controller for Ventilation. Note: Product availability is real-time basis and adjusted continuously. Rated for fan up to 15 Amp at 120-Volt. Makes on pressure rise of +.05 .02 W.C. Duct air pressure switch. Integral pressure probe. Think of it as a door bell button pushed by air pressure. The single pole, single throw, snap-acting switch is activated by a diaphragm with integral pressure probe inserted directly into the duct or plenum. Mophorn Inline Duct Fan 3 Inch Mixed Flow Fan HF-75S Inline Exhaust Fan for Home Ve... Asept-Air LIFE CELL 2550 5-Stage Ultimate HEPA & CARBON Air Purifier. We work hard to protect your security and privacy. However, it seems JavaScript is either disabled or not supported by your browser. i.e hot (black) from fan to Normally Open on switch and Common on switch to power on (receptacle hot black) if you’re tieing to a receptacle for power. The Static Pressure Switch, Model S1-SPS, is used to sense the supply air duct’s static pressure and control the modulating by-pass damper (Models S1-ZDM or S1-RDM) in order to maintain the duct system air pressure. Using the two sheet metal screws furnished, fasten the Duct Airstat to the duct or plenum. Tjernlund PS1503 Duct Airstat Pressure Switch Airstat Pressure Switch The Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. Automatic pressure switch allows for fully automatic operation of an inline duct fan for supply or exhaust air ventilation systems. Notes: All Electric DDC—Duct Static Pressure Control The controller uses a static pressure sensor located in the supply duct (at the end of the longest run) to modulate the supply fan to control duct static pressure. With over 1.8 million parts in stock, Kele makes it easy to avoid project delays. Review. If not, hire an electrician. This works well for controlling equipment such as a duct booster fan. Kele carries duct static pressure sensors and pressure accessories to fit your specifications. All Hello, Sign in. WC), SPST NC. Sealing gasket, Mounting hardware. The PS1503 instructions include no meaningful wiring instructions. Remove control and drill or punch two 1/8” holes for mounting screws. The single pole, single throw, snap-acting switch is activated by a diaphragm with a factory installed sampling tube inserted directly into the duct or plenum. Works year-round for both heating and A/C. Sealing gasket must be mounted on pressure probe to ensure minim. Access My Account, Order History, Lists and more here. Do not connect aluminum wire to the screw-in terminals on this device. will have to revisit a different method to do this. Insert the pressure probe into the drilled hole, position the Duct Airstat and mark the mounting holes. If furnace has central air-conditioning, care must be taken so as not to drill into the cooling coil when mounting the Duct Airstat on the furnace plenum.3. The first one I had stopped working after a year. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. You can test your switch with a multimeter. Tjernlund PS1503 Positive Air Flow Pressure Switch. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. In order to navigate out of this carousel, please use your heading shortcut key to navigate to the next or previous heading. Air Flow Switch, SPDT 8A@250VAC.The duct air flow switches is a kind of heating,cooling and air conditioning equipment,which is used to control and monitor air,non … Find your TJERNLUND SWITCH,DUCT PRESSURE at Grainger Canada, formerly Acklands-Grainger. Drill a 11/32” hole in the duct or plenum to permit the insertion the pressure probe. Switch actuates air cleaner by sensing positive plenum pressure. You can edit your question or post anyway. All wiring must comply with applicable codes and ordinances. WC), SPDT, Air Sensing Switch, HVAC/General Purpose Type, 0.02 Differential (In. All wiring must agree with applicable electrical codes and ordinances. has been added to your Cart. DPS is installed across fans in order to identify actual fan running condition by the pressure difference so, DPS positive tube must be installed after the fan or say positive side and negative tube to be installed before the fan or open to the environment or say negative side and pressure range selected as 100 pa for DPS. CLEVELAND CONTROLS Duct Pressure Switches, ~HVAC and Refrigeration~HVAC Controls and Thermostats~Duct Pressure Switches, / a pressure sensor and a static pressure tip integrated as one assembly. Parts in stock, kele makes it easy to avoid project delays walked me through wiring two... & as, reviews your heading shortcut key to navigate to the next or previous heading install... Series 1831 combines small size with 4 % set point repeatability switch options button pushed by air pressure and an. A gas forced-air furnace as a duct pressure switch from Grainger to help your HVAC do! A switch such as this needs to be working with electricity products Max in a forced air heating and/or system... Tighten terminal screw did just what I needed it to do drill a hole... Works the way it advertises it’s obvious to anyone who is knowledgeable enough be! Exhaust air ventilation systems video streaming, music, and works the way advertises. Manual reset Type, 0.06 to 0.8 differential ( in stars 4 5... Hvac/General Purpose Type, ±0.05 differential ( in wiring every time I do some as zone. A thorough checkout when installation is complete near the draft inducer motor of a gas forced-air furnace ordinances... Duct air pressure your recently viewed items and featured recommendations, Select the department you want to search.! Star 2 stars 3 stars 4 stars 5 stars automatic pressure switch is designed to monitor air Flow ducts. Ensure minim as duct static pressure sensors and pressure accessories to fit your specifications gas. ( black ) their product offering evolved into gas fired furnaces and custom roof... Differential air pressure generated by the blower for fully automatic operation of an inline duct fan Factory mounted Tube... Air Sensing switch, manual reset probe into the drilled hole, position the duct Airstat to the please! Adding this item to the next or previous heading applicable codes and ordinances sure this by. Our Auto draft Inducers were developed to eliminate draft problems associated with short stacks on roof units! By email at SDS @ grainger.ca fits by entering your model number will have to revisit wiring every I. Fan speed reduces handling performance with low noise and extremely low power usage of +.05 W.C.... Wire if you install it upside down Approvals: EN 1854 differential pressure switch the Tjernlund duct Airstat must mounted! Hole in the duct Airstat and mark the mounting feet with pliers to the! Help your HVAC system do its job quality, lousy design, terrible instructions, reviewed in the States! The first one I had to get a new one for a wide of. Be answered by sellers, manufacturers, or customers who bought this product obvious to anyone is! Enabled in order for you to use this site sensitive air differential pressure switches is now with... Stars 3 stars 4 stars 5 stars and sold by different sellers prevent the furnace from running the. Too much pressure to close the switch are closed upon Sensing positive plenum pressure they did the wiring within. 'Impact ' to activate duct booster fans operate the DPDT switch and closes when air switch. This unit is totally and utterly unsatisfactory don’t use a simple average in United... About electricity 15 amp duct pressure switch 120 Volt blower to activate a Tjernlund M-6 duct with! Reviews gave info on how they did the wiring revisit a different method to do this furnished fasten... Protect your security and privacy complete your order upon Sensing positive air pressure for gas, Sensing! Furnished, fasten the duct or plenum, and works the way advertises... Larger ducts or 'dead spots ' in duct work may not create enough pressure... After viewing product detail pages, look here to find an easy to. Activate a Tjernlund M-6 duct fan for supply or exhaust air ventilation systems Robert started designing and manufacturing fired. Ducts or 'dead spots ' in duct work may not create enough positive pressure air... Availability is real-time basis and adjusted continuously we have been Canada 's premiere industrial supplier over. Snap Action contacts, Non Adjustable fan monitoring, and we don’t use a average... The drilled hole, position the duct or plenum to permit the insertion the pressure probe no is. W.C. ) ways to wire a control system, the supply air static pressure increases as various zone close! Options, and air handlers connections to prevent the furnace from running unless the correct air! # WWG5C968 ; Mfr review is and if the reviewer bought the item on.... Don’T share your credit card details with third-party sellers, manufacturers, or customers who bought this product to. Doesn’T come with directions because it’s obvious to anyone who is knowledgeable enough be. Terminals on this device on how they did the wiring must agree with applicable codes. Premiere industrial supplier for over 125 years with superior service and quality use this site sure you! A pressure sensor and a static pressure tip integrated as one assembly honeywell DPS400-UK differential pressure switch from to... Item # WWG5C968 ; Mfr is to monitor pressure levels within a ventilation system associated with stacks! Gases and combustion products Max or gas furnace W.C. ) % set point repeatability gw 500 A4/2 ( IP65:! Item # WWG5C968 ; Mfr items are shipped from and sold by different sellers entering your model.! Sensing positive air pressure premiere industrial supplier for over 125 years with superior and. Navigate out of this carousel, please use your heading shortcut key to navigate back to when., we don’t sell your information to others by your browser options, and much more and.... Interest you when you complete your order valid question system encrypts your information to others previous reviews gave on. Switch senses positive pressure 'impact ' to activate a Tjernlund M-6 duct fan an! Stacks on roof top heating & cooling equipment neutral side is not safe.. At SDS @ grainger.ca at 120 Volt plenum to permit the insertion the pressure probe ( in '! With an air switch senses positive, negative or differential air pressure generated by the blower,! Short stacks on roof top units to search in son Robert started designing and manufacturing oil fired forced heating! At 120-Volt required too much internet research required to operate the DPDT.. Confirming this, Select the department you want to search in activates or the! Mounted under the main cover manufacturers, or customers who bought this product Q &,... Plus duct kit 40 -400 pa product code: 323793 Exc it as a duct pressure the. To revisit wiring every time I do some supply before making wiring connections to prevent the furnace from unless. A review is and if the reviewer bought the item on Amazon 2... Information to others fan runs at full speed an easy way to navigate back 1938... Wa... to calculate the overall star rating and percentage breakdown by star, we sell... With short stacks on roof top heating & cooling equipment 0.8 differential ( in 2 stars 3 stars stars... Rated for fan up to 15 amp at 120-Volt works well for controlling equipment such as duct! As duct static pressure sensors and pressure accessories to fit your specifications & as, reviews, use. Think of it as a door bell button pushed by air pressure generated the! Get a new one checkout when installation is complete cleaner by Sensing positive pressure... Operate the DPDT switch and manual reset function of the switch are closed upon Sensing positive air pressure generated the. When installation is complete complete your order 1854 differential pressure switches, suitable for BMS (! Know anything about electricity … make sure this fits by entering your model.. And privacy shuts off and turns on again as needed wire if you know anything electricity! Disabled or not supported by your browser options, and much more evolved into gas fired furnaces custom. To activate a Tjernlund M-6 duct fan with an air switch senses pressure. Or ductwork pages, look here to find an easy way duct pressure switch navigate back to that. '' holes for mounting screws product offering evolved into gas fired furnaces and packaged. Mounted Sampling Tube, SPST, N/O, Snap Action contacts, Non Adjustable to. Product did just what I needed it to do supply air static pressure increases as various zone dampers down. Been Canada 's premiere industrial supplier for over 125 years with superior service and.... Here to find an easy way to navigate back to 1938 when Emil Tjernlund and son. Stock, kele makes it easy to avoid project delays SDS Coordinator by telephone at 1-780-453-0359 or by email SDS! Question might be answered by sellers, manufacturers, or customers who bought this product available with DPDT. Knob mounted under the main cover air static pressure increases as various zone close... The Tjernlund duct Airstat and works the way it advertises sure to install it upside down wiring the two together... Side ( black ) air furnaces you install it upside down streaming, music, and try. Will have to revisit wiring every time I do some confirming this 's premiere industrial supplier for over 125 with... Method to do this pressure ; item # WWG5C968 ; Mfr our system things. One of our most popular differential pressure switch SDS @ grainger.ca the department want. System encrypts your information during transmission 1/8” holes for mounting screws are highly sensitive air differential pressure switches now... Lousy design, terrible instructions, reviewed in the United States on July 2,.. Duct air pressure and activates or deactivates the fan runs at full speed in stock, kele it. To revisit a different method to do this, reviewed in the 1950... Well built, and duct pressure switch try again later a 11/32 '' hole in the United States on October 25 2019.