Lochinvar & A.O. Smith 100166244 Pressure Switch Els PW 17895 It functions as a normally

It functions as a normally open (NO) switch

this assembly is built for long-cycle life in closed-loop systems

Exceeding these limits or using it on systems where steam is regulated down from high pressure can result in immediate seat or diaphragm failure

and that the flue is free of obstructions

providing the necessary tension for precise modulation in HVAC terminal unit control

Lochinvar & A.O. Smith 100166244 Pressure Switch Els PW 17895 It functions as a normallyThe Lochinvar & A. O. Smith 100166244 is a critical OEM boiler replacement part engineered for precise air pressure monitoring within high efficiency heating systems. This 1. 06" WC SPDT pressure switch is a factory certified component designed to ensure the inducer motor or blower is generating sufficient draft before allowing the ignition sequence to proceed. As a Single Pole Double Throw (SPDT) configuration, it provides versatile switching logic,