Lochinvar & A.O. Smith 100281574 Valve 320788-704 Simple Calibration: Features a non-rising

Simple Calibration: Features a non-rising knob for smooth adjustment and a locking mechanism to maintain specific PSI settings

protecting downstream piping and components from thermal and mechanical shock

and calibrated stainless steel springs

These part numbers are identical and refer to the same ASCO 1" brass solenoid valve specifications

For applications requiring specific stroke limits

Lochinvar & A.O. Smith 100281574 Valve 320788-704 Simple Calibration: Features a non-risingThe 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