Durable Iron Boiler Pressure Relief Valve With 30 PSI Setting For Hot Water Boiler Systems, Three Quarter Inch Inlet, Forged Brass, Female NPTF Threaded Ends, Discharge Line Flood Sensor Included, Watts 374A Series

Iron Boiler Pressure Relief Valve with 30 psi setting
✔️ 3/4 in NPTF inlet/outlet, 30 psi setpoint, iron body, flood sensor

A rugged 374A-030-FS iron boiler pressure relief valve guards hot water and hydronic heating systems against dangerous pressure spikes. It uses 3/4 inch NPTF female connections and a 30 psi relief point, with a forged bronze inlet for durable performance. A discharge line flood sensor is included for monitoring safety.

✅ 3/4 in NPTF female inlet (19.05 mm)
✅ 3/4 in NPTF female outlet (19.05 mm)
✅ 30 psi relief setting (2.07 bar)
✅ Iron body with forged bronze inlet for durability
✅ Non-metallic disc-to-metal seating for a tight seal
✅ Discharge line flood sensor included (SentryPlus Ready)
✅ Meets industry standards for safety and performance

💡 What is a boiler pressure relief valve used for in home heating and hot water systems?

A handy safety device that protects equipment from dangerous pressure buildup. - Protects piping and heat exchangers by venting excess pressure - Useful in residential and light commercial boiler setups - Helps prevent leaks and equipment damage from overpressure - Works with standard 3/4 in NPTF connections