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and other non-corrosive gas services
This kit is engineered specifically for ASCO 8210 Series valves
quick-tight connection to compressor terminals
making it a staple for technicians servicing large-tonnage Trane air handlers and rooftop units where precise refrigerant flow control is non-negotiable
Tjernlund Products PS1503 Switch R-407A and other non-corrosive gas servicesThe 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. As the direct replacement for DFS 221 227, this SPST normally open switch simplifies field installations by eliminating the need for complex interlock wiring with the furnace blower. The PS1503 duct airstat features a snap acting mechanism triggered by a precise
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