Flush water heater
Sediment buildup cuts efficiency and shortens lifespan by years. Once a year is right for most homes; every 6 months if you have hard water.
How to do it
This task takes some experience. If you're not sure, a licensed pro can handle it quickly.
Common questions
How often should you flush water heater?
Once a year. Best in fall.
How much does it cost to flush water heater?
Typically $0 to $50 in parts and supplies. Skipping it risks roughly $800 in repair or replacement costs.
How long does it take?
About 1 hr.
Can I flush water heater myself?
Usually yes, if you're comfortable with basic home repair. If anything looks unfamiliar once you open things up, it's reasonable to call a pro.
Which of these does your home actually need?
Answer a few questions about your home and HomeGuard builds your personalized maintenance schedule — the right tasks, at the right time of year, for your appliances and climate.
Build my free scheduleMore plumbing maintenance
Test pressure relief valve
Once a year · 15 min
Inspect anode rod
Every 3–5 years · 1 hr
Set water heater to 120°F
Once a year · 10 min
Insulate water heater & hot pipes
Every 5–10 years · 1 hr
Locate & test main water shutoff
Once a year · 15 min
Check under-sink plumbing for leaks
Every 3 months · 20 min