Fenwal 01-018002-021 Thermoswitch 322056-301 Consult technical compatibility tables for

Consult technical compatibility tables for spring return alternatives like the AV-92

this assembly is factory-charged specifically for R-22 pressure-temperature curves to ensure accurate superheat

A standard orifice wrench or deep-well socket is recommended to ensure the part is seated squarely without damaging the precision-machined edges

Using genuine Carrier HVAC parts like this suction valve ensures compatibility with the low-pressure side of the system

a 500-ohm resistor is typically required to convert the voltage output

Fenwal 01-018002-021 Thermoswitch 322056-301 Consult technical compatibility tables forThe Fenwal 01 018002 021 Thermoswitch is a precision engineered immersion temperature controller designed for rapid response and high durability in demanding industrial environments. Utilizing the differential expansion principle, the 316 stainless steel shell acts as the active sensing element, ensuring minimal thermal lag compared to standard bulb and capillary units. This Open on Rise switch is rated for a broad operating temperature range of 100F