This SPST high pressure switch is factory-calibrated to open at 610 PSI and close at 420 PSI

Common triggers include a restricted intake or exhaust vent

provided the correct gas valve and orifice components are utilized within the system

The Lennox 81W34 is a 1/2 HP X13 blower motor and module assembly designed for high-efficiency air handlers and residential furnaces

maintaining the integrity of the factory safety string

Trane VAL18771 Expansion Valve THPU32HP7Y This SPST high pressure switchThe Trane VAL18771 Thermostatic Expansion Valve is a critical refining metering device designed specifically for high efficiency residential and light commercial cooling systems. Engineered to handle R 410A refrigerant, this TXV precisely modulates refrigerant flow into the evaporator coil by measuring superheat via a highly responsive sensing bulb. For technicians in the field, this valve ensures the evaporator is neither starved of refrigerant nor