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

ensure the flame sensor is clean and the furnace control board ground is secure

typically measuring 19 inches by 20

Universal coil compatibility allows a single coil family to fit all 200RB series valves

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

Lochinvar & A.O. Smith 100166244 Pressure Switch Els PW 17895 Always verify your specific chiller'sThe 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,