Carrier HK02SA420 Pressure Switch 320788-703 The SPDT relay features powered

The SPDT relay features powered contacts (1 NO/1 NC)

and fuel-burning equipment

This model includes two built-in SPDT auxiliary switches (fixed at 10° and 85°) for end-stop position feedback

if your model specifies part 2272158

this valve is strictly calibrated for R410A refrigerant and should not be used in legacy R22 equipment

Carrier HK02SA420 Pressure Switch 320788-703 The SPDT relay features poweredAs a seasoned technician, you know that a tripped high pressure switch is often the only thing standing between a routine service call and a catastrophic compressor failure. The Carrier HK02SA420 is a factory authorized OEM replacement pressure switch designed specifically for Carrier, Bryant, and Payne air conditioning and refrigeration systems. This 660 505 high pressure switch is calibrated for precision, featuring a cut out point of 660 PSI to