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- Amtrol® Therm-X-Trol® Thermal Expansion Tank, Vertical Free Standing, Series: ST Series, 20 gal Tank Volume, 11.4 gal Acceptance Volume, 150 psig, ASME Yes/No: No, 15 in Dia, 32 in Height, Drawn Steel, 50 psig Pre-Pressure Rating, 200 deg F Maximum Temperature, FNPT, 3/4 in, Urethane Topcoat, Domestic
- Antimicrobial liner neutralizes bacteria on contact
- Patented Turbulator™ water circulation device
- InSight™ indicator cap tank service alert
- Strongest tank design featuring deep drawn steel and multi-dome construction
- Thickest diaphragm - heavy duty butyl
- Projection welded air stem to help eliminate leaks
- Exclusive ST-1 for tankless water heaters
- Acceptance Volume11.4 galASME Yes / NoNoDiameter15 inHeight32 inPressure Rating150 psigTank Volume20 galTypeVertical Free StandingConnection Size3/4 inConnection TypeFNPTDomestic / ImportDomesticFinishUrethane TopcoatManufacturerAmtrolManufacturer #144N177MaterialDrawn SteelMaximum Temperature200Pre-Pressure Rating50SeriesST Series