Watts 0383742 Valve 30067439-890 Precise Authority Adjustment: Field-selectable 20%

Precise Authority Adjustment: Field-selectable 20% to 200% authority allows for fine-tuning based on primary input signals

If the pilot light ignites but goes out immediately after releasing the gas control knob

and a complete piston assembly to resolve common issues such as internal leaking or sluggish actuation

Regular inspection and replacement of the diaphragm are recommended to prevent air leaks and ensure the long-term efficiency of your Johnson Controls pneumatic actuator system

Key Benefits: OEM Compatibility: Designed as the precise direct replacement for 0131M00012PS

Watts 0383742 Valve 30067439-890 Precise Authority Adjustment: Field-selectable 20%The Watts 0383742 is a heavy duty Series 740 high capacity boiler pressure relief valve, engineered specifically for hot water space heating applications. Featuring a 1 1 2 inch NPTF female inlet and a 2 inch NPTF female outlet, this ASME Section IV certified valve is set at 45 PSI to provide critical overpressure protection. The iron body construction is paired with a forged bronze inlet and expanded outlets to facilitate high discharge rates,