3 services · Washington
Water heaters in Washington
Washington is seismically active, so water heaters should be strapped with flexible connections. Soft water in Seattle and Tacoma means tanks fail more from age than scale.
- Licensed local plumbers
- The problem explained before work starts
- Price agreed before the job begins
Statewide conditions
Water heaters in Washington: what to know
Spokane's colder winters make basement heaters work harder.
Replacements need a permit and a certified plumber.
Older Craftsman homes in Seattle and Tacoma often keep heaters in basements or garages installed before current strapping rules, and replacement brings straps, flexible connectors and venting up to code. In Seattle, gas heater permits come from Public Health – Seattle & King County. Adding an expansion tank is common.
- Climate
- Washington gets periodic hard freezes and ice storms, often after mild spells, which catch exposed pipes off guard. Pipes in crawl spaces, exterior walls and garages are the first to freeze.
- Typical foundations
- Older Seattle homes often have basements and aging side sewers, and the region is seismically active. Most common: basements.
Water heaters services
Water heater repair
If a gas water heater has no hot water, the pilot, thermocouple or gas valve is the usual cause; on an electric heater it's usually an element or thermostat. Those parts are repairable. A tank that leaks from the bottom can't be repaired and needs to be replaced.
Water heater replacement
A leaking tank or a heater past about 10 years old is usually replaced rather than repaired. A proper install includes a permit, correct venting (adjusted for altitude where needed), an expansion tank where required, a drip leg on the gas line and a relief valve discharge pipe.
Tankless water heaters
A tankless water heater heats water as it flows, so it doesn't run out, but it needs a larger gas line, its own venting and a unit rated for your elevation. Installed correctly and descaled regularly, it can outlast a tank heater.
Water heaters by city in Washington
Local pages cover each city's water provider, permit office and housing. Not listed? Check your ZIP code below.
Water heaters questions in Washington
Do Washington water heaters need earthquake straps?
How long does a water heater replacement take?
How these problems start and how to choose between repair options is covered in the water heaters guide.
More plumbing in Washington
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