WATTS Backflow Preventer
Watts Backflow Preventer Backflow/Pressure Reducer/Air Gap Watts Series 009 Reduced Pressure Zone Assemblies are designed to protect potable water supplies in accordance with national plumbing codes and local water authority requirements. This series features two in-line, independent check valves, captured springs and replaceable check seats with an intermediate relief valve. Its compact modular design facilitates easy maintenance and assembly access. Backflow Preventer Kit 1/2" Watts backflow preventer 909 Airgap 1/2" brass nipple 1/2" Pressure Reducing Valve (required by code for most hydronic appliances) ORDER ONE OF EACH FOR FULL KIT... Read more
Watts Fill Valve and Backflow Preventer
Watts Fill Valve and Backflow Preventer Provide make-up water to the boiler, and prevent backflow Bronze Combination Fill Valve and Backflow Preventers are 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. Part consists of a bronze Watts Model 9D backflow preventer and a high-capacity bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit.... Read more
Watts Series ETX Expansion Tanks
Watts ETX Heating & Cooling Expansion Tanks Series ETX tanks are designed for use in closed-loop hydronic heating systems to absorb the increased volume of water created when water is heated. These tanks maintain system pressure below the relief setting of the relief valve. The Series ETX's pre-pressurized steel tank features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged diaphragm minimizes loss of the air charge and ensures a long and trouble-free life for the system. Maximum pressure of the ETX tanks is 75psi. PDF Documents:Watts ETX Brochure | Watts ETX Installation... Read more