Water Heater Repair
Standing water under a tank means the shell itself has gone, so close the cold inlet and cut the gas or the breaker rather than waiting for it to open further.
When this becomes an emergency
- Rust colored staining on the floor or the drain pan under the tank.
- Popping sounds from inside the heater whenever it fires.
- The relief valve dripping into the drain on its own.
- Hot water that runs out much sooner than it did a year ago.
What a pro does
A plumber reads the whole installation, not just the complaint. Age first, then how the unit is vented, then what's been going through it. Most tanks in this area live in a basement, which means the venting is often a run to a masonry chimney shared with a furnace, and that arrangement gets looked at carefully because a blocked or oversized flue affects how the heater burns. Sediment is the other half of the story. Water off the aquifer carries dissolved mineral, and a well property can add sand and silt on top of that, all of which settles at the base of the tank and insulates the burner from the water above it. That layer is what makes an older heater pop. Flushing helps a unit that's had regular attention and does considerably less for one that's gone a decade untouched. The anode rod tells you where the tank stands, since it's designed to corrode in place of the steel and the shell is next once it's used up. Expansion gets checked too, because a closed system with no working expansion tank pushes pressure through the relief valve on every heating cycle.
Frequently asked questions
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