Water Worker Amtrol Steel Electric or Gas Water Heater Expansion Tank 15 in. H X 11.5 in. W 4-40-479-08 They are ideal for use

They are ideal for use in signs

curb strips or a

Length: 830 ft

(96mm) Center-to-Center Pull is finished in Oil-Rubbed Bronze

Water Worker Amtrol Steel Electric or Gas Water Heater Expansion Tank 15 in. H X 11.5 in. W 4-40-479-08 They are ideal for useThermal hot water heater expansion tanks prevent hot water from back flowing into cold water line or from escaping through the pressure relief valve and onto the floor. Prevents constant fluctuations in water pressure that damage the heater and associated piping. National plumbing code mandates installation when a backflow preventer is present. Brand Name: Water Worker Sub Brand: Amtrol Material: Steel Water Heater Type: Electric or Gas Product Type: