Watts 0383310 Valve Freon the 650SV prevents nuisance shutdowns

the 650SV prevents nuisance shutdowns caused by surging or foaming water

Configurable Setpoints: Field-adjustable +/-1°F or +/-4°F range via internal DIP switches

tubing for main supply (M)

Engineered with an 11-square-inch effective diaphragm area

It features a 24V input and provides dedicated 120V outputs for accessories like humidifiers and electronic air cleaners

Watts 0383310 Valve Freon the 650SV prevents nuisance shutdownsThe 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,