1/2", 21.7 gallon, thermal expansion tank, designed to absorb hot water expansion in closed heating systems, factory precharged at 12psi, steel shell, butyl diaphragm
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Wasnt completely sure this would match at first since the older unit needed replacement part. Thankfully mounting holes lined up correctly during install and everything is working again.
Guest | 9/13/2025 9:36 AM
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