Watts ETX-30 Non-Potable Water Expansion Tank 1/2 in MNPT Connection, 4.5 gallon, Gray PPG1072-7 or use a 12-inch wide

or use a 12-inch wide band when applying to a home perimeter

Easy to Use

Set includes 2

burning eyes

It is built with durable polypropylene tubing that resists rust and corrosion

Watts ETX-30 Non-Potable Water Expansion Tank 1/2 in MNPT Connection, 4.5 gallon, Gray PPG1072-7 or use a 12-inch wideProduct Description The Watts ETX 30 Non Potable Water Expansion Tank is used in tandem with your hot water heater to absorb increased water volume resulting from hot water boiler heating and to keep system pressure below the relief setting. Use in closed loop, non potable water heating systems. Durable steel tank with 60 psi maximum working pressure From the Manufacturer Use the Watts series ETX water expansion tank in tandem with your hot water