Why Is My Water Heater Not Working?
No hot water? On electric heaters suspect a tripped breaker or failed element; on gas, the pilot light. Here's how to narrow it down before you call.
When your water heater stops working, the cause usually comes down to a handful of common issues — a tripped breaker or failed element on electric units, an out pilot light or gas supply problem on gas units. Here’s how to narrow it down before calling for help.
If you have an electric water heater
- A tripped breaker or blown fuse. Check your electrical panel first; a tripped breaker is a frequent and easy-to-spot cause. If it trips again right away, stop and call a pro — that signals an electrical fault.
- A failed heating element. Electric heaters rely on one or two elements. A burned-out element means little or no hot water.
- A faulty thermostat. A bad thermostat won’t call for heat, leaving you with cold water.
- A tripped high-temperature limit switch. A reset button on the unit may have tripped due to overheating — but if it keeps tripping, there’s an underlying problem.
If you have a gas water heater
- The pilot light is out. A pilot that won’t stay lit (often a thermocouple issue) is a top cause of no hot water on gas units.
- A gas supply interruption. Confirm gas is on and other gas appliances are working.
- A faulty gas control valve or thermostat.
- Venting problems that disrupt safe combustion.
What to check safely
For electric units, check the breaker. For gas units, check whether the pilot is lit and follow the heater’s lighting instructions. Confirm the thermostat hasn’t been bumped to a very low setting. Beyond these basics, diagnosing elements, thermostats, gas valves, and wiring is best left to a professional for both accuracy and safety.
When to call a professional
If the breaker trips again, the pilot won’t stay lit, you smell gas, or you see any leaking, call for service. A plumber can diagnose the exact failure and restore hot water safely — and we’re available around the clock for no-hot-water situations.
No hot water is one of the most common calls we get — and one we can usually resolve quickly. Learn more about our water heater service or contact us any time, day or night.
General guidance only; have a licensed professional diagnose your specific unit.
Frequently asked questions
- Why do I suddenly have no hot water at all?
- On electric water heaters, a tripped breaker or a failed heating element is the most common cause; on gas units, it's usually a pilot light that has gone out. A complete loss of hot water — rather than water that's merely lukewarm — almost always points to one of these failures.
- Why is my water only lukewarm instead of cold?
- Lukewarm water is a different symptom than no hot water at all. It usually means one failed element on a dual-element electric heater, a thermostat problem, or heavy sediment buildup — which is common in central Oklahoma's harder water. Each has a different fix, so a proper diagnosis matters.
- Is having no hot water an emergency?
- For most households it's disruptive enough to treat like one — no showers, no dishwashing, no laundry. Triple Play Home Services offers 24/7 water heater service across Edmond, Oklahoma City, and the surrounding metro, so call (405) 500-5333 any time rather than waiting days without hot water.