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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
tubing for main supply (M)
Complete Installation Kit: Ships with porcelain wire nuts to ensure high-temperature electrical safety during replacement
Durable Round Housing: Metal-cased design facilitates optimal heat dissipation and protection against harmonic vibration
minimizing downtime for critical climate control systems
Configurable Setpoints: Field-adjustable +/-1°F or +/-4°F range via internal DIP switches
Watts 0383310 Valve Freon tubing for main supply (M)The 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,
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