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The Watts ETX-30 is a non-potable water expansion tank designed for closed-loop systems. It has a 4.5-gallon capacity and features a 1/2 inch MNPT connection. This gray tank helps manage thermal expansion in the system effectively, ensuring pressure stability and protection of plumbing components.
This expansion tank is perfect for maintaining system pressure in heating and cooling systems. It's designed to absorb excess water pressure caused by thermal expansion.
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