Watts 0275825 Valve 323055-751 Built with a robust IP20

Built with a robust IP20 enclosure

metal erosion at the discharge edge

the B331 is rated specifically for chilled or hot water and glycol solutions up to 250°F

Rebuilding the valve with a GC Valves service kit is a cost-effective way to restore performance while keeping the existing piping and electrical connections intact

Watts 0275825 Valve 323055-751 Built with a robust IP20The Watts 0275825 (Series 174A) is a high capacity ASME Section IV boiler pressure relief valve designed specifically for hot water space heating applications. Engineered for rugged performance in commercial and residential hydronic systems, this 1 1 4" NPT valve is factory set at 75 PSI to provide reliable overpressure protection. With a high volume discharge capacity of 3,429,000 BTU hr, it ensures system integrity during thermal expansion or