This valve is rated for a 4-ton capacity

often due to improper venting or inducer motor performance

25" impeller is factory-trimmed to match the specific flow-head requirements of Raypak heat exchangers

and condenser fan motors requiring precise fitment and reduced friction

Key Benefits Direct OEM replacement part ensures exact system compatibility without the need for field modifications

Lochinvar & A.O. Smith 100287156 Sensor Freon This valve is rated forEnsure your high efficiency condensing boiler or water heater maintains optimal operation with the Lochinvar & A. O. Smith 100287156 Flue Temp Sensor Kit. This genuine OEM flue temperature sensor is engineered to provide precise thermal feedback to the integrated control board, preventing hazardous heat buildup and potential heat exchanger damage. Designed for a broad range of Lochinvar Knight and A. O. Smith Cyclone models, this thermistor based