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The Tjernlund Products PS1503 is a high-sensitivity duct pressure switch engineered to automate HVAC accessories by detecting positive air pressure within the supply plenum or trunk lines
this unit provides sufficient amperage to support complex control strings in commercial rooftop units and air handlers without the risk of nuisance tripping or thermal overload
This model is designed for water and other non-hazardous liquids
Common Questions Is the ICP 1065256 compatible with my specific furnace model
Can this feeder be used on steam boilers directly
Warrick 178353 Switch 320788-704 The Tjernlund Products PS1503 isThe Warrick 178353 is a high performance Gems FS 380 flow switch engineered for precise liquid flow monitoring in high pressure HVACR and industrial hydraulic systems. This inline flow switch features a 3 8" MPT connection and utilizes a rugged bronze housing to withstand demanding environments. Designed for simplicity and reliability, it employs a 9 16 18 UNF 2B straight thread port and incorporates a SPST hermetically sealed reed switch that
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