Watts 0121542 Relief Valve Freon Technicians should test the part

Technicians should test the part using a multimeter with a capacitance setting

This unit requires a standard 24VAC connection

Turning the screw clockwise will increase the branch pressure

65"wc SPST configuration

This is an SPST switch that closes on temperature rise (cut-in) to activate the cooling cycle

Watts 0121542 Relief Valve Freon Technicians should test the partThe Watts 0121542 is a high capacity boiler pressure relief valve designed for commercial and industrial hydronic heating systems. Specifically engineered for hot water heating supply boilers, this 1. 5 inch LF174A valve provides critical protection against excessive pressure buildup. It features a robust lead free copper silicon alloy body and is factory set at 50 PSI. With a massive relief capacity of 2,950,000 BTU hr, the 174A series is the