A water heater that stops heating in January is an emergency in any Salem house, and a tank that is leaking is worse. Our 24/7 dispatch line takes these calls day and night, and a plumber can often reach you the same day. If water is pooling around the tank, turn off the cold water valve above it, switch off the power or gas, and keep clear of the puddle if the heater is electric.
Water heater repair covers the parts that fail in a tank heater: thermostats, heating elements, gas valves, thermocouples, igniters, the temperature and pressure relief valve and the anode rod. It does not cover a tank that has rusted through. At that point the answer is water heater replacement, and we will say so plainly.
First checks.
No hot water: what to check before you call.
A few checks take five minutes and sometimes solve the problem. On an electric heater, look at the breaker and the red reset button on the upper thermostat. On a gas heater, confirm the gas valve is on and see whether the pilot light or the igniter is working.
If the breaker keeps tripping, do not keep resetting it. A tripped breaker that returns is a sign of a failed element or a short, and repeated resets can damage wiring. Call and tell us what the panel is doing.
Lukewarm water only.
On an electric heater this often means one of two elements has failed. On gas, a dirty burner or a weak thermocouple can do the same.
Water runs hot, then cold fast.
A broken dip tube lets cold water mix near the top of the tank, so the hot supply collapses quickly.
Popping or rumbling noises.
Sediment on the tank floor traps water that boils and pops. Flushing the tank may help if the tank is not too far gone.
Rusty or smelly hot water.
Rust points to a corroding tank or a spent anode rod. A rotten egg smell often points to the anode rod and bacteria in the tank.
Heater down and the house is cold?.
Call the 24/7 line to get a plumber headed your way.
Repair options.
Common failures and how they get repaired.
| Symptom | Likely cause | Typical repair |
|---|---|---|
| No heat, electric. | Failed heating element or upper thermostat. | Replace element or thermostat. |
| Pilot will not stay lit, gas. | Worn thermocouple or dirty pilot assembly. | Replace thermocouple or clean the assembly. |
| Water drips from the side valve. | Temperature and pressure relief valve weeping, or high pressure. | Test and replace the valve, check pressure and expansion tank. |
| Water at the base of the tank. | Failed tank, or a loose drain valve or fitting. | Tighten or replace a valve, or plan a replacement if the tank has failed. |
| Rotten egg smell. | Anode rod reaction with bacteria. | Replace the rod and flush the tank. |
A leak from a fitting on top of the tank is often a quick repair. A leak from the tank body is not repairable, because the steel has been breached inside the insulation. The answer there is a new tank, and the question becomes whether to choose another tank unit or move to a tankless water heater.
Local factors.
Salem water and your heater.
Salem tap water comes from the Salem and Beverly Water Supply Board, which draws from Wenham Lake, Putnamville and Longham Reservoirs and the Ipswich River. The Board adds chlorine and fluoride and adjusts pH with a phosphate additive for corrosion control, according to its recent water quality report. The report does not list a hardness figure, so we do not claim one for your street.
What we do see in water heaters is sediment. Occasional discolored water from manganese or hydrant flushing can stir up mineral in a tank that has not been flushed in years. If your hot water has turned brown for a day or two, run the cold tap until it clears, then check the heater if the color stays only on the hot side.
Many Salem basements are damp, especially closer to the harbor and the South River. A tank that sits on bare concrete in a damp room rusts from the outside as well as the inside, and the burner area on a gas model can corrode. A stand or drain pan helps, and so does a periodic look at the bottom of the tank.
Decision guide.
When to repair and when to replace.
Repair makes sense when.
- The heater is under about 8 years old and the failed part is a thermostat, element, thermocouple or valve.
- There is no sign of leaking from the tank body.
- The repair is a small share of the cost of a new unit.
Replace makes sense when.
- The tank is leaking from the body or the base.
- The heater is past 10 to 12 years and has needed repeat repairs.
- Rust shows in the hot water or around the burner.
If your heater is gas and you want to compare options, a planned water heater installation gives you time to choose size and fuel without a cold house forcing the decision. Our plumber will tell you honestly which side your unit falls on.
One last point on safety. Never remove or plug a temperature and pressure relief valve to stop it dripping. That valve is the last defense against a tank overheating, and a weeping valve is a sign to have the heater checked, not to silence it.
Standards.
Code, permits and safety for water heater repair.
Fuel-burning and electric water heaters fall under the Massachusetts plumbing and gas codes, and a permit is often required for a replacement. Ask Salem Inspectional Services at 978-619-5641 what applies to your address.
What to do before we arrive.
- Turn off the power or gas supply to the unit if it is safe to reach it.
- Close the cold water valve above the heater if water is leaking.
- If you smell gas, leave the building and call 911 or the gas utility, not a plumber first.
Pricing.
What water heater repair costs.
Repair prices depend on the part and on how much of the system has to be worked on. These factors change the number most.
Homeowner insurance may cover water damage when a tank bursts suddenly, but usually not the heater itself or damage from slow leaks. Check your policy. You get a clear price before work starts. For your real number, call (339) 216-9771.
FAQs.
Water heater repair questions from Salem homeowners.
Yes. The line is answered 24 hours a day, every day. A plumber can often reach you the same day, and a leaking tank gets priority. Shut off the cold water valve above the tank and the power or gas while you wait.
Age and the location of the problem decide it. A failed thermostat or element on a heater under about 8 years old is usually worth repairing. A leak from the tank body or rust in the hot water means replacement. Your plumber will tell you which applies.
Turn it off. Shut the cold water supply valve, then switch off the power at the breaker or the gas at the control. A leaking tank can empty into your basement and, on electric models, a wet element is a shock risk.
It is usually a reaction between the anode rod and bacteria in the tank. Replacing the rod and flushing the tank often solves it. Your plumber can confirm.
Yes. Tell the dispatcher which type you have when you call, along with the age if you know it, so the right parts are on the truck.
All of Salem, including Downtown, North Salem, South Salem, Salem Neck and the Highland Avenue corridor, in ZIP codes 01970 and 01971, plus nearby towns like Beverly.