Water Heater Not Working Services in Phoenix, AZ
Nothing is more frustrating than turning on the shower and discovering your water heater is completely out of commission. When the hot water stops, you need a quick solution from a professional who can correctly diagnose the problem, whether it’s a simple pilot light issue or a major element failure.
Troubleshooting Your Failed Water Heater
When your water heater is completely cold, our first step is rapid and accurate diagnosis. We service both gas and electric models, fixing issues such as:
- Gas Pilot Light Failure: Troubleshooting why the pilot light won't stay lit or won't ignite.
- Electric Element Failure: Replacing upper or lower heating elements that have burned out.
- Thermostat Failure: Replacing faulty thermostats that prevent the water from heating to the correct temperature.
- Tripped Breakers: Correcting the underlying issue that caused the circuit breaker to trip (for electric units).
- Valve Problems: Addressing issues with the gas control valve or internal sensors.
Water Heaters We Service
Tank, tankless, hybrid, gas, electric — every water heater eventually needs attention. We service all of them and won’t push a replacement when a repair will do.
Tank Water Heater Repair
Thermocouples, anode rods, heating elements, and T&P valves. Most repairs are same-day with parts on the truck.
Tank Water Heater Replacement
When repair isn't worth it, we replace with a properly sized unit and install code-compliant pans, expansion tanks, and shut-offs.
Tankless Water Heater Installation
Endless hot water and a smaller footprint. We size for your household and gas-supply capacity — not just the spec sheet.
Heat Pump (Hybrid) Water Heaters
Lower operating cost than electric tanks, eligible for federal and APS rebates. We'll tell you whether your home is a fit.
Annual Flushing and Maintenance
Phoenix hard water cuts a tank's life in half if it's not flushed. An annual visit pays for itself in years of extra service.
Emergency Water Heater Failure
No hot water and the unit is leaking? We respond same-day, contain the damage, and get you back to hot water as fast as the install allows.
No matter your industry, our commercial plumbers provide service you can rely on.
Why Choose Liberty Plumbing for Water Heater Not Working?
We’re not just here to clear your drains – we’re here to keep your plumbing running strong for the long haul.
Fast response times with same-day service available
Licensed, bonded, and insured plumbers
Safe, effective tools that protect your pipes
Upfront, honest pricing with no hidden fees
Local expertise in Phoenix, Flagstaff, and Prescott

Common Reasons Your Heater Failed
Most sudden failures trace back to a few common culprits. Knowing the cause helps us determine if a simple repair or a full replacement is needed:
- Sediment Buildup: Excessive scale buildup can cover the heating elements or cause repeated failure in gas burner systems.
- Old Age: Components simply wear out over time. Thermocouples, elements, and burners have finite lifespans.
- Lack of Maintenance: If the unit has never been flushed or serviced, minor issues can quickly become catastrophic failure.
- Thermal Overload: Excessive heating can cause the high-temperature cutoff switch (or reset button) to trip, shutting the unit down.
We will help you determine if an electric model provides the best value and performance for your specific utility situation.
Getting Your Hot Water Back Fast
We understand you need a solution now. Our repair process is designed for speed and reliability:
- Priority Dispatch: We aim to get a plumber to your location as quickly as possible to prevent further inconvenience.
- Diagnostic Test: We use specialized tools to test components like thermostats, elements, and gas pressure to find the exact point of failure.
- Upfront Options: We clearly explain whether a simple repair will solve the problem or if the unit is failing and needs replacement.
- On-Site Repair: We stock common replacement parts on our trucks to perform necessary repairs immediately, restoring your hot water supply on the first visit whenever possible.

Get Immediate Service Now
If your water heater is not working, don’t wait another day for cold showers.
Call Liberty Plumbing for immediate diagnostic and repair service.