Watts ETX-30 Non-Potable Water Expansion Tank 1/2 in MNPT Connection, 4.5 gallon, Gray Item #777849 Model #RW8963 With its moderate pricing and

With its moderate pricing and beautiful color palette

2) warm temperatures indoors or out

Experience efficient cooling at its finest with 3500-CFM

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For interior walls and ceilings

Watts ETX-30 Non-Potable Water Expansion Tank 1/2 in MNPT Connection, 4.5 gallon, Gray Item #777849 Model #RW8963 With its moderate pricing andProduct 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