Sediment builds up at the bottom of every tank water heater over time, especially with New Jersey's hard water. Flushing the tank annually removes that sediment, helping your heater run efficiently and last longer.
Why sediment is a problem
Settled minerals insulate the burner from the water, forcing the heater to work harder and use more energy. The buildup also causes the rumbling sounds many homeowners notice and can shorten the unit's lifespan.
The basic process
- Turn off the heater's power or gas
- Connect a hose to the drain valve
- Drain the tank to a safe location
- Briefly turn the water back on to stir up sediment
- Refill before restoring power
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