3/4" FNPT Female Inlet & Outlet – 30 PSI Automatic Pressure Relief Valve for Hot Water Boilers & Hydronic Heating Systems, Durable Lead-Free Brass, Up

3/4" FNPT Female Inlet & Outlet – 30 PSI Automatic Pressure Relief Valve for Hot Water Boilers & Hydronic Heating Systems, Durable Lead-Free Brass, Up

Standard 3/4" FNPT Female Inlet & Outlet – Easy replacement for existing valves; compatible with most residential and light commercial boilers up to 510,000 BTU. Automatic 30 PSI Pressure Relief – Opens automatically to release excess pressure, protecting your hot water boiler and heating system from overpressure damage. Durable Lead-Free Brass Construction – Made from corrosion-resistant copper alloy for long-lasting, reliable performance in high-temperature systems. Mechanical & Maintenance-Free – Fully automatic operation requires no electricity or manual intervention; ensures zero-maintenance safety protection. Ideal for Hydronic Heating Systems – Suitable for radiators, radiant floors, and fan coil units; helps ensure safe operation and extends boiler system lifespan. 30 PSI Boiler Pressure Relief Valve, 3/4" FNPT Inlet & Outlet, Bronze Safety Valve for Hot Water Boilers & Hydronic Heating Systems, Up to 510,000 BTU