Expansion Tanks

Zilmet ZHP202 21 Gallon Thermal Expansion Tank The Zilmet Side Connection Advantage: Easier & quicker installation, less expensive installation, less vulnerable to corrosion at the connector. Features External baked epoxy-polyester coating provides...

Amtrol invented the thermal expansion tank to control pressure build-up in closed, potable water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All Therm-X-Trol expansion...

Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol’s lineup now...

Zilmet ZHT105 27.7 Gallon Hydronic Expansion Tank Features Each tank is factory leak tested to ensure tank integrity  Certified synthetic SBR rubber diaphragm  All diaphragms designed to maximize drawdown  MIG welding eliminates interior...

Amtrol invented the thermal expansion tank to control pressure build-up in closed, potable water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All Therm-X-Trol expansion...

Zilmet ZHP203 28 Gallon Thermal Expansion Tank The Zilmet Side Connection Advantage: Easier & quicker installation, less expensive installation, less vulnerable to corrosion at the connector. Features External baked epoxy-polyester coating provides...

Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol’s lineup now...

Amtrol invented the thermal expansion tank to control pressure build-up in closed, potable water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All Therm-X-Trol expansion...

Zilmet ZHT150 39.6 Gallon Hydronic Expansion Tank Features Each tank is factory leak tested to ensure tank integrity  Certified synthetic SBR rubber diaphragm  All diaphragms designed to maximize drawdown  MIG welding eliminates interior...

Zilmet ZHP204 40 Gallon Thermal Expansion Tank The Zilmet Side Connection Advantage: Easier & quicker installation, less expensive installation, less vulnerable to corrosion at the connector. Features External baked epoxy-polyester coating provides...

Zilmet ZHT200 52.8 Gallon Hydronic Expansion Tank Features Each tank is factory leak tested to ensure tank integrity  Certified synthetic SBR rubber diaphragm  All diaphragms designed to maximize drawdown  MIG welding eliminates interior...

Amtrol invented the thermal expansion tank to control pressure build-up in closed, potable water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All Therm-X-Trol expansion...