This orifice is compatible with several Reznor F-series and UDX models requiring a 1

Key Benefits for HVAC Professionals Precise Thermal Calibration: Calibrated to an opening temperature of 140°F with a 40°F differential for accurate system protection

This motor is critical for clearing combustion gases from the heat exchanger

Most 100109834 valves require a specific LP conversion kit or an OEM-specified spring change

Lochinvar & A.O. Smith 100166433 Pump 318518-761 This orifice is compatible withThe Lochinvar & A. O. Smith 100166433 Pump is a heavy duty, all bronze circulating pump specifically engineered for high demand hydronic heating applications. Functioning as a 2 5 HP boiler pump, this component is designed for 120V 60Hz operation and is the direct replacement for 100113054. It is primarily utilized within the Lochinvar Power Fin (PF) series, including models PF 502 through PF 1302. Its bronze construction ensures superior corrosion