Durable Construction: Engineered to withstand the thermal cycling typical of industrial and commercial heating environments

Always verify your specific chiller's parts manual for exact HVAC part compatibility

this 1/2 inch NPT water gauge is designed to meet ASME requirements for liquid level verification on power boilers and pressure vessels

but note that the wattage output will be derated to approximately 7

Lochinvar & A.O. Smith 100166244 Pressure Switch Els PW 17895 Durable Construction: Engineered to withstandThe 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,