A tankless water heater install involves gas or electric, venting, and the water lines. The walkthrough covers the mounting and the hookups.
The sizing
Confirm the unit is sized to the home's peak flow before the install. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the sizing is the first step.
The mount
Mount the unit on the wall with the clearance the code requires. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the clearance matters for the service.
The water
Connect the cold inlet and the hot outlet, with shutoff valves on both. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the valves isolate the unit.
The gas
Connect the gas line at the unit's rating, with the shutoff and the sediment trap. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the gas connection follows the code.
The vent
Install the vent per the unit's requirements, sealed at every joint. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the venting is a safety item.
The test
Fill the unit, check the connections, and run the hot water to test the burner. mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines In San Diego, the test confirms the flow.
The call
Install the tankless to code. Call 888-217-3585 and San Diego Home Plumbing Co will match you with a San Diego pro for the job.
Plumbing in San Diego: what to know
In San Diego, mineral-rich water varies by region, and older neighborhoods still run on aging galvanized or copper lines. Pros in our network know the local quirks and bring the right parts on the first visit.
Across San Diego County — from La Mesa, Lemon Grove and Santee to ZIP codes like 92123, 92111, 92108 — 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 San Diego?
If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and San Diego Home Plumbing Co will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in San Diego.