An expansion tank protects the plumbing when the water heater heats the closed system. The install is a short job on the cold line.
The why
A closed system with a check valve needs the expansion tank to absorb the growth. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the code may require it.
The spot
Choose the location on the cold supply line near the water heater. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the tank mounts above the heater.
The install
Install a tee in the cold line and connect the tank with a fitting. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the tee is on the cold inlet.
The mount
Secure the tank to the wall with the bracket so it does not hang on the pipe. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the bracket supports the weight.
The pressure
Set the tank's air pressure to match the home's water pressure. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the pre-charge is the key setting.
The test
Turn the water on and check the connections for leaks. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Portsmouth, the leak check is the final step.
The call
Install the tank for the closed system. Call 888-217-3585 and Portsmouth Plumbing Pros will match you with a Portsmouth pro for the job.
Plumbing in Portsmouth: what to know
In Portsmouth, hard water is common across the region, and older neighborhoods still have galvanized supply lines. Pros in our network know the local quirks and bring the right parts on the first visit.
Across Portsmouth city County — from Norfolk, Chesapeake and Hampton to ZIP codes like 23707, 23703, 23507 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.
Need a hand in Portsmouth?
If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Portsmouth Plumbing Pros will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Portsmouth.