Quality is what the pros expect, and that is what you get with BackStop®
Backed by the extensive experience of our parent company Elbi of America, each tank meets or exceeds the stringent IAPMO and NSF standards. Our complete line of ASME diaphragm-type expansion tanks are the best choice for all your plumbing, heating, and hydro-pneumatic residential and commercial applications.
Stainless Steel Thermal Expansion Tank for Tankless Water Heaters
12-TWH2
2.1 Gal In-line 3/4″ Stainless Steel MNPT Thermal Expansion Tank
12-A101C
4.5 Gal In-line 3/4″ Stainless Steel MNPT Thermal Expansion Tank
12-A102C
9 Gal In-line 1″ Stainless Steel MNPT Thermal Expansion Tank
12-T009
14 Gal In-line 1″ Stainless Steel MNPT Thermal Expansion Tank
12-T014
