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This 3/4 inch pressure safety relief valve is used in commercial and industrial applications for low pressure, steam heating boilers and process equipment. It consists of a bronze body construction with NPT threaded female inlet and threaded female outlet (drain) connection, stainless steel spring, a top-guided stem, and a non-stick Teflon® disc-to-metal seating. The pressure relief is set at 30 psi (2.1 bar).

This 3/4 inch lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead free brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.

This 3/4 inch pressure safety relief valve is used in commercial and industrial applications for low pressure, steam heating boilers and process equipment. It consists of a bronze body construction with NPT threaded male inlet and threaded female outlet (drain) connection, stainless steel spring, a top-guided stem, and a non-stick Teflon® disc-to-metal seating. The pressure relief is set at 30 psi (2.1 bar).

This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).

This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections with Viega ProPress® connection adapters. The maximum pressure is 100 psi (6.9 bar).

This 1 inch lead free automatic reseating temperature and pressure relief valve with a 5 inch thermostat is installed directly in tank tappings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features lead free brass construction with NPT male inlet and NPT female outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature, and test lever. The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is 150 psi.

This 3/4 inch temperature and pressure relief valve is used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. It features a brass body with NPT male inlet and NPT female outlet connections, 8 inch extension thermostat with special thermo-bonded coating, and a test lever. It is ASME rated and CSA listed. The temperature relief is at 210 degrees F (99 degrees C), and the pressure relief is 150 psi (10.6 bar).