Eastman Thermal Expansion Tank Size:4.5 Gal (60023) Works great for first phases

Works great for first phases of finishing

Part No: D-099B

use 2 each gbk14p ground bars if required

Fits standard 1/2" socket drive

Eastman Thermal Expansion Tank Size:4.5 Gal (60023) Works great for first phasesThe 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