Water heater symptoms
A water heater with a heating element that fails often or a pilot that won't stay lit can leave you without enough hot water or no hot water at all. Fix the problem by using our symptoms and troubleshooting advice to pinpoint the cause of the failure. Order water heater repair parts by using the search bar at the top of the page then follow the step-by-step instructions in our electric water heater repair guides to restore your hot water supply.
Symptoms common to all water heaters
Choose a symptom to see related water heater repairs.
Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…
Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…
Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…
Main causes: water supply needs chlorine treatment, anode rod too reactive…
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
Main causes: faulty pressure relief valve, water is overheating…
electric water heaters
Choose a symptom to see related water heater repairs.
Main causes: excessive tank sediment, high voltage supply…
Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…
gas water heaters
Choose a symptom to see related water heater repairs.
Main causes: lack of combustion air, ventilation draft, bad thermocouple…
Most common repair guides to help fix your water heaters
Effective articles & videos to help repair your water heaters
Use the advice and tips in these articles and videos to get the most out of your water heater.
Learn some of the most common symbols found in a wiring diagram and what they mean.…
Find out what’s wrong with your appliance by following a circuit.…
Read about some water heater repairs that you can easily do yourself.…