Eastman 60022 Expansion Tank, 2 gallon

Functional and easy to install. Recommend

This is a compact 2 gallon expansion tank with a 3/4" fitting and an air valve. This must be pressurized before installation to the same pressure that is currently in your homes' plumbing. Most homes should be between 50 -70 psi. This tank should not be pressurized above 80 psi as indicated by the manufacturer. Use an inexpensive pressure gauge to find out the pressure with no water in use and when your hot water tank hasn't been running for awhile. Install the expansion tank on the cold water side as close to the heater as possible. It is also very important to support this unit either with a strap or build a frame out of wood. If, due to failure of the internal bladder, the tank will fill up with water making it very heavy which may cause it do damage attached plumbing unless it is supported mechanically. Do not just hang it off the pipe sideways. Good luck with your project!

PSI could be higher, only rated to 80 psi. My home water pressure is 80 psi. An 100 psi rating would be better.

No more hot water expansion in the cold water pipe first thing in the morning. Also got rid of water hammer I had on a particular faucet. Easy to install, just remember to properly set the pressure to match.UPDATE 2019/03/25: Six months later, I noticed small paint bubble on underside of tank. Touching it squeezed out a few drops of rusty water. Spot feels soft. Have contacted manufacturer EZ-Flo and am awaiting an answer for a warranty request. Tank is supposedly guaranteed six years. Will update here once I get an answer.

Works good