This unit is most commonly found in Modine HD60

Operating on a standard 24V AC ignition circuit

technical cross-references should be checked for specific pressure ratings

Key Benefits Compatible with Resideo and Honeywell Home HE220

Precise Control: Capable of maintaining accurate pressure regulation from full flow all the way down to sensitive pilot flow demands

Watts 0383310 Valve Els PW 29614 This unit is most commonlyThe Watts 0383310 (Model 740 1 1 4 50) is a high capacity ASME Section IV heating boiler safety relief valve designed for overpressure protection in large scale commercial and industrial hydronic heating systems. Featuring a 1 1 4 inch NPT threaded inlet and outlet, this iron body safety relief valve is engineered for heavy duty performance with a factory set pressure of 50 PSI. It delivers a high volume discharge capacity of 3,075,000 BTU hr,