Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 Key Benefits for HVAC Technicians

Key Benefits for HVAC Technicians Factory-Calibrated Precision: Fixed -1

The Danfoss 120Z0459 Crankcase Heater is a critical PTC crankcase heater designed to prevent refrigerant migration and ensure reliable compressor lubrication during off-cycles

consult the unit's technical data sheet for specific performance curves

a factory-approved overpressure protection device (OPD) is mandatory to meet ANSI Z21

Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 Key Benefits for HVAC TechniciansThe Lochinvar & A. O. Smith 100166256 Pressure Switch is a critical safety and operational component designed for high performance hydronic systems and commercial water heaters. This SPDT Pressure Switch (Single Pole Double Throw) functions as a direct OEM replacement part for the now obsolete PRS3406, PRS2406, and 100166157 models. Engineered with a precision 1 4" barb connection, it monitors system pressure within a 1 5 PSI range, ensuring the