Engineered specifically for high-pressure steam and hydronic applications

Single-Throw switching action provides consistent performance in high-amperage heating circuits

ensuring it remains shut against high pump heads without bypassing

The set point is adjusted by removing the top cover and turning the adjustment screw to the desired inches water column setting indicated on the internal scale

This 208/230V condenser fan motor operates at 1/5 HP with a rated speed of 1075 RPM

Watts 0121453 Valve Refrigerant Engineered specifically for high-pressure steamThe Watts 0121453 Valve is a lead free, automatic reseating temperature and pressure relief valve designed specifically for commercial hot water supply tanks and heater applications. As the direct engineering successor to the Watts 0257564, this LF140X 5 150 model features a 3 4 inch FNPT inlet and outlet with a robust bronze body construction. Engineered for high demand environments, it provides a 150 psi pressure relief setting and a 210F