Washington Plumbing & DrainKitsap, Pierce & Mason Counties
Water Heaters · Kitsap County

Tankless Water Heater Installation in Southworth, WA

Washington Plumbing & Drain installs, replaces and descales tankless heaters in Southworth, which is how we know what a careless installation looks like years later. Ours include service valves, a sediment filter where the water needs one, and a descaling schedule matched to Kitsap County water.

15 to 20 minutes east of Port Orchard on Sedgwick Road, State Route 160from Port OrchardKitsapCounty
Rinnai tankless water heater mounted on a wall with copper piping, isolation valves, expansion tank and Flo smart valve — Tankless Water Heater Installation for Southworth homes

What happens past the house is not the same across Southworth. No public sewer serves Southworth or Harper. Everything from the ferry landing to the bluff homes on Point Southworth is on septic, with pumped systems common on the small waterfront lots. At about 15 to 20 minutes east of Port Orchard on Sedgwick Road, State Route 160 from Port Orchard, Southworth is a regular line on our schedule, not a special trip.

Why tankless water heater installation is a little different in Southworth

Winter water comes into Southworth homes cold, and that limits how many gallons per minute a tankless unit can bring to shower temperature. We size for the coldest month so two fixtures at once still work in January.

Then there is the Puget Sound winter. Open to the east across Colvos Passage, so winter storms land directly on the waterfront and the ferry landing. Rainy season runoff off the plateau saturates the bluffs and the low ground at Harper. The December 2022 freeze and the January 2024 cold snap found uninsulated crawlspaces under the older cottages and exposed lines in well houses along the back roads.

Local conditions that affect tankless water heater installation in Southworth

Ask a Southworth homeowner what goes wrong with plumbing here and you will usually hear a version of this: Cast iron drains and galvanized supply under the older Colvos Passage cottages

Propane is common on Southworth acreage and cabins, and Rinnai propane models work well there. We set up the regulator, drip leg and venting for propane and size the unit for the household.

Here is a Southworth detail that changes how we approach the job: Frozen pipes under cottages and in well houses during cold snaps

Southworth homes with a pressure reducing valve still need a small expansion tank on a tankless system, and homes on wells need a sediment filter ahead of the unit. Both are included where your house calls for them.

Rinnai tankless water heater installed in a basement with new copper and gas piping
Tankless conversion in a basement: new gas line, new venting and clean copper connections.

Signs Southworth homeowners call us for tankless water heater installation

Worth a call

  • The tank heater is at the end of its life and gas is already at the location
  • You are adding gas service or a gas line for other appliances
  • An existing tankless unit throws error codes or leaks at the heat exchanger
  • A vacation or rental home sits empty for stretches and a stored tank is a leak risk
  • You plan to stay in the house long enough for the efficiency to pay back

How we handle tankless water heater installation in Southworth

Here is how it runs when we come to Southworth for tankless water heater installation: assess fuel, gas capacity and water, choose the unit and the location, flat, itemized quote, install and connect, commission under load, then permit, warranty and schedule. Nothing is started until you have approved a flat price.

Read the full step-by-step for tankless water heater installation →

Southworth neighborhoods and areas we serve

We have worked in Sedgwick Road corridor, in Point Southworth and most of the Southworth neighborhoods in between, including the homes out by Harper Estuary and the old Harper pier and Point Southworth and its clay cliffs.

Sedgwick Road corridorHarper HillYukon Harbor sideColvos Passage waterfrontBanner Road north endSouthworth ferry landingHarperPoint Southworth

Tankless Water Heater Installation questions from Southworth

Is my Southworth house a good candidate for tankless?

If it has gas or propane and the household runs out of hot water or wants the space back, probably yes. If it is all-electric, a tank is usually the better value. We give a straight answer on the estimate visit.

How long does a tankless conversion take in Southworth?

Most are done in a day with hot water back by evening. Adding a gas line to a new location or running a long vent can push it to two days, and we tell you up front.

Do you service tankless heaters in Southworth after installing them?

Yes. We descale and service tankless units across Kitsap County, and most customers put the new unit on a maintenance interval matched to their water.

Will a tankless heater work on well water in Southworth?

With a sediment filter and a regular descaling schedule, yes. On very hard or iron-heavy wells we discuss filtration first and will say if a tank is the better fit.

Is a tankless water heater worth it in Kitsap County?

For a household on natural gas or propane that runs out of hot water or wants the space back, usually yes. For an all-electric home without plans to add gas, a tank heater is often the better choice. We will tell you which applies to your house.

Greg started this company to do plumbing the way he would want it done at his own house: show up when promised, explain the options, and leave the place clean. That is what Southworth homeowners can expect from us.

Google reviews

Customers on our tankless water heater installation work

★★★★★
Greg is awesome! He came out to service our thankless water heater (which hadn't been serviced in 11 years) and did a great job. He really put in a lot of effort to minimize any mess that it involved and was very personable during the job. His communication is also very clear.
Deborah R · Google review · 2 years ago
★★★★★
Gregory did fantastic work descaling my tankless water heater, was in and out within an hour. They texted me when he was on his way and gave me an ETA which was MUCH appreciated. Kind, courteous and professional. I will be using them for my future plumbing needs.
Krysta Cordell · Google review · 3 years ago

Tankless Water Heater Installation in Southworth?

Flat-rate price before we start. Southworth is about 15 to 20 minutes east of Port Orchard on Sedgwick Road, State Route 160.

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