Water heaters
Water Heater Repair and Replacement Near Lake Houston, TX
A tank in the garage that leaks, rumbles, pops or has gone cold, and how to decide between a repair and a new unit.
In short
- Leaking at the base means replace
- A damp pan is the early warning
- Gas or electric changes the whole job
Signs Worth a Call
- Water on the floor or a damp drain pan under the tank.
- Rust-colored hot water, or a metallic smell.
- Popping or rumbling from the tank when it heats, often a sign of sediment.
- Hot water that runs out fast or never gets hot. On a gas unit, a pilot that will not stay lit; on an electric one, a tripped breaker or a failed element.
- A discharge pipe that drips steadily. It means the temperature and pressure valve is releasing, and that is a safety device doing its job.
Source: General plumbing practice; the plumber's inspection of a particular unit controls
Why Garages Matter
Most houses here are slab-on-grade with no basement, so the water heater usually sits in the attached garage, in a closet off it, or in the attic. Each has a failure mode. A garage unit shares air with the car and the lawn mower; an attic unit puts a full tank over the ceiling; a closet unit hides a slow leak. That is why the pan and the discharge pipe matter more here than the brand on the tank.
Replacing a gas heater is a different job from replacing an electric one: gas brings the supply line, the shutoff and the vent, and electric brings the breaker and the wiring. A tankless conversion changes the gas line size and the vent, which is a bigger scope than swapping like for like.
Common Questions
Repair or replace?
Age and what failed decide it. A thermostat, an element or a gas valve is a repair on a heater that is otherwise healthy; a tank that is leaking at the base is finished, because the leak is the steel giving way. The plumber will tell you which you have.
Why is there a pan under my water heater?
In a garage or closet it catches a slow leak and gives it a pipe to follow instead of the slab. A damp pan is a warning even when nothing has reached the floor.
Does replacing a water heater need a permit?
That depends on where the house sits, and this site has not read any local rule. The plumber confirms with the local authority and files what is required.
Water on the garage floor?
Call. The pro finds where it is coming from before suggesting a replacement.