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

Tankless Water Heater Installation in Union, WA

Washington Plumbing & Drain installs, replaces and descales tankless heaters in Union, 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 Mason County water.

50 minutes from Port Orchard, west on Highway 3 to Belfair and then Highway 106 along the South Shore of Hood Canalfrom Port OrchardMasonCounty
Rinnai tankless water heater mounted on a wall with copper piping, isolation valves, expansion tank and Flo smart valve — Tankless Water Heater Installation for Union homes

Digging and draining in Union depend on the soil. The south shore of the Great Bend, with a narrow shoreline bench, Highway 106 running along it, and steep bluffs and benches rising behind. Thin soil over glacial deposits on the slopes, and a water table at the surface along the shoreline in winter. It is about 50 minutes from Port Orchard, west on Highway 3 to Belfair and then Highway 106 along the South Shore of Hood Canal to Union, a run we make often enough to know the roads, the water districts and the quirks of the housing.

Why tankless water heater installation is a little different in Union

Fuel is the first question for tankless in Union. Homes with natural gas or propane are good candidates; all-electric homes usually are not unless gas is being added for other reasons. We check what serves your address before recommending anything.

It helps to know who delivers the water. Mason PUD 1 runs several community water systems in the Union area, including Vuecrest and systems tied to Union Ridge, and other shoreline communities have small association systems. Outlying properties are on private wells. No city water.

Local conditions that affect tankless water heater installation in Union

The pattern we see most in Union is this: Well pressure tanks and switches on upland properties

Many older Union gas lines were sized for a tank heater and a stove. A tankless burner needs much more, and we calculate the whole-house gas load and upsize the line as part of the installation rather than letting the unit starve.

Local conditions shape the work. In Union: Scale on tankless and tank heaters from mineral-rich groundwater

Vacation homes and rentals around Union benefit from tankless because there is no stored tank to leak during an empty month. Paired with a smart shutoff valve, it is a low-worry setup for an owner who is not nearby.

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 Union homeowners call us for tankless water heater installation

Worth a call

  • You want the closet or garage space the tank occupies
  • 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

How we handle tankless water heater installation in Union

Expect a Union tankless water heater installation call to go like this: 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. If the plan changes mid-job, we stop and re-quote rather than surprise you on the invoice.

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

Union neighborhoods and areas we serve

Call from Alderbrook and the resort area, Union townsite and the Country Store or anywhere else in Union, including the places near Alderbrook Resort and golf course and The Great Bend of Hood Canal that other outfits treat as a long drive.

Alderbrook and the resort areaUnion RidgeVuecrestSouth Shore Road east toward TwanohSkokomish Valley edgeHighway 106 canal frontageUnion townsite and the Country Store

Tankless Water Heater Installation questions from Union

Is my Union 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 Union?

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 Union after installing them?

Yes. We descale and service tankless units across Mason 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 Union?

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.

Will my existing gas line work for a tankless heater?

Often not without upsizing. A tankless burner draws several times the gas of a tank heater, and lines sized for a tank and a stove starve it. We calculate the load and include any upsizing in the quote.

Freezing pump houses, iron-stained well water and septic effluent pumps are everyday work for us in Mason County. Union jobs rarely surprise 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 Union?

Flat-rate price before we start. Union is about 50 minutes from Port Orchard, west on Highway 3 to Belfair and then Highway 106 along the South Shore of Hood Canal.

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