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2 Gallon Thermal Expansion Tank, 3/4″ MNPT Inlet
$47.01
- Prevents hot water from back flowing into the cold water line, or escape through the pressure relief valve
- Capacity: 2 gallon
- 3/4″ MNPT inlet connection
- Factory precharged pressure at 40 psi
- Lead free, UPC approved
- Dimensions: 12.4″ x 8.3″
18 in stock
2-Gallon Thermal Expansion Tank
Most new homes have a closed water supply system. When the water heater is working in a closed system it causes an increase in pressure because the pressure doesn’t have an exit point, resulting in damages to your water heater or a considerable reduction to its lifespan. Installing an Eastman thermal expansion tank provides a secure connection to water heaters that prevents dangerous build-ups of pressure that can cause leaks and permanent damages to water heater tanks.
Factory Precharged
The thermal expansion tank is factory precharged at 40 psi. Install your thermal expansion tank on the cold inlet to prolong the life of the water heater tank and to prevent water waste when turning on the hot water. The pressure should be adjusted to match the water pressure in your home. Remember to always rely on a professional for installation.
Use below table to select the correct expansion tank size:
