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The RECTORSEAL EXPT2 thermal expansion tank with a 2.1 Gal capacity, features a butyl bladder and polypropylene liner. It includes a 3/4" MIP SS nipple and is designed to absorb excess water created by thermal expansion. Recommended for closed hot water heating systems, including water heaters and boilers.
2.1 Gal thermal expansion tank with stainless steel connection and butyl rubber diaphragm.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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