Lochinvar & A.O. Smith 100281574 Valve 320788-704 Whether you are performing a

Whether you are performing a routine HVAC repair or a critical burner upgrade

this motor features a standard 48-frame diameter and is built for continuous duty cycles in high-ambient outdoor environments

or a failing blower motor assembly rather than a faulty switch

protecting downstream piping and components from thermal and mechanical shock

SPDT Thermostat

Lochinvar & A.O. Smith 100281574 Valve 320788-704 Whether you are performing aThe Lochinvar & A. O. Smith 100281574 is a heavy duty 2 inch natural gas valve assembly engineered for high capacity commercial water heaters and boilers. This direct replacement gas valve is critical for maintaining precise fuel to air ratios and ensuring stable combustion in high BTU systems. Designed for demanding applications, this assembly features a 181 degree thermal cutoff or calibration point to prevent overheating and ensure safe operational