Eastman Thermal Expansion Tank Size:2 Gal (60022) Mold resistant

Mold resistant

Satco's LED 15-watt

sleet and snow for lasting performance

Press valve all the way down

the redwood is extra thick

Eastman Thermal Expansion Tank Size:2 Gal (60022) Mold resistantThe Eastman thermal expansion tank is designed to prevent dangerous build ups of pressure in your water heater tank. These thermal expansion tanks are available in 2 and 4. 5 gallon sizes. The Eastman thermal expansion tank stops hot water from backflowing into the cold water line while preventing hot water from escaping through the pressure relief valve and onto the floor, addressing the constant fluctuations in water pressure that can be dangerous