125, 175, 250, 300 PSI Working Pressure Available.
AMTROL designed and patented the first EXTROL expansion tank in 1954, redefining hydronic heating systems. For over four decades our unique, pre-pressurized, diaphragm-design ISO 9001 Certification reflects AMTROL's worldwide vision and commitment to excellence. EXTROL has been the world's leading expansion tank. EXTROL was designed to control system pressure and help reduce energy consumption of heating and circulating operations.ASME Stamped.
AMTROL designed and patented the first EXTROL expansion tank in 1954, redefining hydronic heating systems. For over four decades our unique, pre-pressurized, diaphragm-design ISO 9001 Certification reflects AMTROL's worldwide vision and commitment to excellence.
EXTROL has been the world's leading expansion tank. EXTROL was designed to control system pressure and help reduce energy consumption of heating and circulating operations.
ASME Stamped.