Key Technical Benefits R12 System Compatibility: Specifically calibrated for legacy R12 systems requiring reliable thermal regulation

The 39-inch lead length ensures versatile routing within the combustion chamber

V-3000 series actuators are preferred for those setups

Environmental Protection: Sensing elements are moisture-sealed to prevent failures linked to condensation in supply air streams

The terminal strip electrical connection and 3/16" barbed brass fittings ensure straightforward installation

Watts 0384442 Valve THPU32HP7Y Key Technical Benefits R12 SystemThe Watts 0384442 (Model 740 2 75) is a high capacity ASME Section IV water pressure relief valve engineered for large scale hydronic heating systems and commercial boilers. Constructed with a heavy duty iron body, this 2 inch NPT inlet x 2 1 2 inch NPT expanded outlet valve is factory set at 75 PSI to provide critical overpressure protection. With a massive discharge rating of 10,700,000 BTU hr, it is designed to meet the rigorous safety demands of