Amtrol® EXTROL® Boiler System Expansion Tank, Floor-Standing, Series: SX Series, 20 gal, 15 in Dia, 32 in Height, 100 psi, Acceptance Factor: 0.57, 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'sAccepts expanded water as system temperature rises to reduce pressure build-up12 psig factory pre-charged11.3 gal maximum acceptance volume1 in NPTF steel system connection1-13/16 in stand to connectionProjection welded air valveVertica
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