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- Amtrol® designed and patented the first Extrol diaphragm expansion tank in 1954 to control system pressure and help reduce energy consumption in heating and chilled water systems. Over six decades later, Extrol is still the world's leading expansion tank brand, setting the standard for quality, reliability and innovation. All Extrol tanks are made in the USA at our ISO registered facilities by American workers dedicated to producing the highest quality expansion tanks in the world.
Amtrol® EXTROL® Boiler System Expansion Tank, Vertical Floor-Standing, Series: SX Series, 44 gal, 22 in Dia, 36 in Height, 100 psi, Acceptance Factor: 0.77, 34 gal Acceptance Capacity, 240 deg F, Heavy Duty Butyl/EPDM Diaphragm, Steel Shell, Urethane Topcoat, Domestic
- These non-ASME tanks are available in sizes up to 86 gallons and can be used with high output boilers up to 1,500,000 BTU's
- Accepts expanded water as system temperature rises to reduce pressure build-up
- 12 psig factory precharged
- 1-1/4 in NPTF steel system connection
- 2-3/16 in stand to connection
- Projection welded air valve
- Capacity44 galDiameter22 inDomestic / ImportDomesticHeight36 inAcceptance Capacity34 galAcceptance Factor0.77Diaphragm TypeHeavy Duty Butyl / EPDMFinishUrethane TopcoatManufacturerAmtrolManufacturer #118-153MaterialSteel ShellMounting TypefloorPressure Rating100 psiSeriesSXTemperature Rating240 deg FTypeVertical