Hot Water Only resource library
Water Heater Problems
Specialist answers and service information for residential tank water heaters in Chicago’s suburbs.
Water Heater Leaking
A water heater leak may come from a valve, fitting, drain, relief valve or the tank itself. Leaks outside the tank can sometimes be repaired; a tank-shell leak generally means replacement.
Read more →PROBLEMNo Hot Water
No hot water can result from loss of power or gas, a pilot or ignition problem, a failed thermostat, heating element, burner or control. A focused diagnosis identifies which part of the system stopped doing its job.
Read more →PROBLEMNot Enough Hot Water
Running out of hot water can point to a failed element, thermostat setting, dip-tube issue, sediment, undersized tank or a household demand change. The fix depends on whether the unit is malfunctioning or simply cannot keep up.
Read more →PROBLEMWater Heater Pilot Light Won’t Stay Lit
A pilot that will not stay lit can involve the thermocouple or flame sensor, gas control, draft conditions or combustion-air problems. Gas-system diagnosis should be handled by a qualified professional.
Read more →PROBLEMWater Heater Making Noise
Popping, rumbling, sizzling and knocking can have different causes. Sediment is common, but the sound and the unit type need to be evaluated before deciding whether flushing, repair or replacement makes sense.
Read more →PROBLEMRusty or Discolored Hot Water
Discolored hot water can be connected to the water heater, plumbing or incoming water. Comparing hot and cold water and checking tank age, anode condition and corrosion helps narrow the cause.
Read more →PROBLEMWater Heater Relief Valve Leaking
A temperature-and-pressure relief valve can drip because of expansion, high pressure, temperature or a valve problem. It is a safety component and should never be capped or blocked.
Read more →PROBLEMWater Heater Water Too Hot
Overheated water may involve thermostat settings, a failed control or incorrect operation. Scalding water should be treated as an urgent service problem, especially in homes with children or older adults.
Read more →PROBLEMWater Heater Thermocouple Problems
A failed thermocouple or flame-sensing component can prevent a standing-pilot gas water heater from operating. Correct diagnosis matters because draft, gas-control or pilot conditions can create similar symptoms.
Read more →PROBLEMWater Heater Burner Problems
Delayed ignition, unusual flame, soot or repeated shutdowns can involve the burner, air supply, venting or gas control. Stop using the unit if combustion appears abnormal and request professional service.
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