Sporlan 180323 KT-43-VZ Power Element Els PW 17895 this air pressure switch replaces

this air pressure switch replaces legacy part numbers SWT02293 and C341750P01

and 1F series

It is not interchangeable with smaller series like the RV81 or RV91

You can also check the coil resistance with an ohmmeter

high-performance fan timer control kit

Sporlan 180323 KT-43-VZ Power Element Els PW 17895 this air pressure switch replacesThe Sporlan 180323 KT 43 VZ Power Element is a field replaceable thermostatic component engineered for use with V series valves in low temperature refrigeration applications. This replacement power element features a 60 inch capillary tube and a Type VZ thermostatic charge, specifically designed for systems utilizing R 404A, R 507, or R 22 refrigerants where a pressure limiting MOP (Maximum Operating Pressure) is required to prevent compressor