How long does a water heater last before it leaks?
A tank heater wears out on a schedule set by its materials and its water, not the calendar alone. The steel liner is protected by an anode rod that is consumed over time, and mineral scale shortens a tank's life, so check the date code on the data plate and have an old tank inspected.
Inside the tank, a sacrificial anode rod corrodes in place of the steel. When the rod is used up, the tank starts to corrode instead. Water with a lot of dissolved minerals leaves scale and sediment on the bottom, where it insulates the burner or element, overheats the steel and speeds failure.
Hardness varies from one water supply to the next, and your city's water quality report is the place to read yours. We do not quote a lifespan in years, because manufacturers, installers and conditions differ. If your tank is original to the house or you cannot find its date, a plumber can tell you what condition it is in.
What are the drain pan and drain line for?
A drain pan catches a small leak under an attic or closet heater, and its drain line carries that water outdoors or to a floor drain. Texas code summaries describe a pan at least 1.5 inches deep and a drain line of at least 3/4 inch. City rules differ, and neither part helps once clogged.
Those figures come from secondary summaries of Texas plumbing code, and cities adopt and amend code. We cannot tell you whether your heater meets it, and we do not inspect for it. A plumber can.
What matters to you is whether the line runs clear. Summaries describe an outdoor end that sits roughly 6 to 24 inches above the ground, which gives you something to look for. If you can see water dripping there, the pan is catching a leak, and the heater needs a plumber soon.
- A pan that holds water is a warning, not a fix
- A drain line that never drips may be clogged or may be simply dry; a plumber can tell the difference
- Some cities restrict attic water heaters unless they are accessible or tankless, so ask your city's building department before moving or replacing one
Who swaps out the tank, and who dries the building?
A licensed plumber replaces the water heater and repairs its fittings, valves and drain. The restoration crew handles the building: removing wet insulation, drying the framing and ceiling, and recording readings. Neither trade does the other's work, and both visits can proceed at the same time.
Lewisville Water Damage Restoration does not sell, install or replace water heaters, and the crew does not repair plumbing. It can shut off the heater's cold-water valve and help you find the main valve, which stops the water while you wait for the plumber.
After a heater failure, the plumber's invoice and the restoration estimate are separate. Ask each company for a written scope so you can give both to your insurer if you file a claim.
What should I do first when an attic water heater leaks?
Shut off the heater's cold-water valve and its power or gas, then stay out of the attic floor area and off the ceiling below. Keep people away from any bulging drywall, move belongings from under the stain, take photographs and call a plumber and a restoration crew.
The valve is usually on the cold-water pipe above the tank. If it is in the attic and the attic floor is wet or the ceiling below is bowed, do not climb up. The main valve at the street side of the house shuts the whole house off instead.
If the heater is gas-fired and you smell gas, leave the house and call the gas utility from outside. Do not flip switches or light anything.
