Watts 0346040 Relief Valve 320819-301 30 Amp draw and a

30 Amp draw and a 4-inch shaft length (1/2" diameter)

and 250/A units

The valve is CSA listed and meets ANSI Z21

Optimized Compatibility: Designed specifically for York RTU units and compatible economizer frameworks

Watts 0346040 Relief Valve 320819-301 30 Amp draw and aThe Watts 0346040 (Series 174A) is a high capacity ASME Section IV boiler pressure relief valve designed for commercial and industrial hot water heating applications. Featuring a 3 4 inch NPT inlet and outlet, this valve is factory set to a 10 PSI relief pressure, providing critical overpressure protection for hot water boilers and storage tanks. The bronze body construction and non metallic seat to disc design ensure long term durability and prevent