Amtrol® EXTROL® Boiler System Expansion Tank, Floor-Standing, Series: SX Series, 32 gal, 15 in Dia, 48 in Height, 100 psi, Acceptance Factor: 0.35, 240 deg F, Heavy Duty Butyl/EPDM Diaphragm, Steel Shell, Urethane Topcoat, Domestic
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 worlds leading expansion tank brand, setting the standard for quality, reliability and innovation.