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Expansion Tanks

Controls thermal water expansion in closed hydronic heating systems. Maintains system pressure below safety relief setting range. Welded construction with butyl rubber diaphragm. Potable water models include polypropylene lining to avoid rusting.

TAX Series

TAX Series

TAX Series (commercial) Expansion Tanks are designed to absorb hot water expansion in closed heating systems of large installations. TAX tanks are equipped with butyl diaphragms to separate the air from the system water (glycol).

TK Series Tank Kits

TK Series Tank Kits

Honeywell TK Series Combo Boiler Trim kits are a quick way to purchase boiler trim when doing a boiler change out. All kits with SuperVent include expansion tank and a high performance air eliminator.

TK300 Series- Heating

TK300 Series- Heating

Honeywell Expansion Tanks absorb hot water expansion in closed heating systems. They are equipped with butyl diaphragms to separate the air from the system water. Pre-pressurized, the tank keeps fluids circulating and maintains minimum pressure.

TK300-A Series Tank Kits

TK300-A Series Tank Kits

Honeywell TK Series Boiler Trim kits are convenient when doing a boiler change out. They include expansion tank, air purger and air vent; selected models include FM911 combination boiler fill valve/ backflow preventer and/or service check valves.

TL Series

TL Series

Expansion Tanks absorb hot water expansion in closed heating systems and are equipped with butyl diaphragms to separate the air from the system water. Pre-pressurized, the tank circulates fluids and keeps minimum pressure.

TX Series- Domestic Hot Water

TX Series- Domestic Hot Water

The Honeywell Thermal Expansion Absorber is an expansion tank with a butyl diaphragm. The Thermal Expansion Tank controls pressure build-up in the system, eliminates relief valve spillage, protects fixtures and extends water heater life.

TX-V Series- ASME Construction Vertical

TX-V Series- ASME Construction Vertical

The Honeywell Thermal Expansion Absorber is an expansion tank with a butyl diaphragm. The Thermal Expansion Tank controls pressure build-up in the system, eliminates relief valve spillage, protects fixtures and extends water heater life.

XPS Series- Commercial

XPS Series- Commercial

XPS Series Expansion Tanks absorb hot water expansion in closed heating systems in larger installations. They have butyl diaphragms to separate clamped design, keep fluids circulating and maintain minimum system pressure.