Understanding Basic Plumbing Codes and Standards: A Homeowner’s Guide
Just as traffic laws ensure safe and orderly movement on our roads, plumbing codes and standards serve as the rulebook…
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Step-by-step guides, WA codes, and honest cost estimates for Puget Sound homeowners.
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- WA codes included
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Puget Sound Climate
Your plumbing year, by season.
Four checklists tuned to Washington weather — from Seattle freezes to Spokane dry spells.
Winter
- Insulate pipes in unheated spaces
- Know where your main shutoff is
- Set thermostat ≥ 55°F when away
- Check sump pump battery backup
Spring
- Inspect hose bibs after freeze season
- Test water heater pressure relief valve
- Flush sediment from water heater
- Check outdoor irrigation lines
Summer
- Inspect sprinkler system for leaks
- Check water pressure (40–80 psi)
- Pre-treat slow drains before fall
- Inspect washing machine hoses
Fall
- Disconnect and drain garden hoses
- Shut off exterior hose bibs
- Clear leaves from area drains
- Schedule annual inspection