Professional water heater repair services for homes and businesses in Knoxville and surrounding Tennessee communities.
Magnet Plumbing provides fast water heater repair throughout Knoxville, TN for all major tank and tankless brands. Our licensed plumbers diagnose problems accurately on the first visit and carry common repair parts on their vehicles for same-day repairs whenever possible. We restore your hot water quickly without recommending unnecessary replacements.
Knoxville homeowners and businesses count on reliable water heater repair to protect their properties from damage and disruption. Serving a city of 202,469 across Tennessee, Magnet Plumbing brings the experience, equipment, and licensed crew capacity to handle water heater repair projects of any scale. We begin every job with an honest evaluation and a clear written estimate so there are no surprises.
Our water heater repair plumbers in Knoxville, TN are licensed, background-checked, and equipped with professional-grade tools and quality materials. From the initial diagnosis through final testing, we maintain open communication and hold ourselves to high workmanship standards. That is how Magnet Plumbing has earned the trust of property owners across Tennessee.
A clear, professional approach to water heater repair — tailored to your Knoxville property.
We inspect your water heater — checking the thermostat, heating element, pilot assembly, anode rod, pressure relief valve, and tank condition — to find the exact cause of the problem.
Magnet Plumbing provides an honest repair-vs-replace recommendation for your Knoxville, TN water heater based on the specific failure, the unit age, energy efficiency considerations, and the cost comparison. You make an informed decision with full information.
Our licensed plumber repairs the diagnosed problem in your Knoxville water heater, carrying common replacement parts on the service vehicle for same-visit repairs whenever possible. We test after every repair to confirm the unit is functioning correctly.
We run the water heater through a full cycle, verify the correct temperature output, check for any leaks at connections, and confirm the pressure relief valve is operating properly before we leave.
Have questions about water heater repair in Knoxville, TN? Start here.
A water heater producing no hot water in Knoxville can be caused by a tripped circuit breaker for electric units, a failed pilot light or gas valve for gas units, a burned-out heating element, a failed thermostat, or a tripped high-temperature limit switch. Magnet Plumbing diagnoses the specific cause and repairs it on the same visit whenever possible.
Water heater repair in Knoxville typically costs $150 to $500 depending on the component being replaced. Common repairs like thermostat replacement, heating element swap, or T&P valve replacement are on the lower end. Gas valve or burner assembly replacement costs more. Magnet Plumbing provides a free diagnostic and written estimate before performing any repairs.
Rumbling, popping, or banging sounds from a water heater in Knoxville usually indicate sediment buildup on the bottom of the tank. Mineral deposits from hard water accumulate over time and overheat, creating the noise. Flushing the sediment can restore quiet operation. If the tank is old and heavily scaled, replacement may be more cost-effective than repeated flushing.
Yes. Magnet Plumbing services all major tankless water heater brands in Knoxville, TN — diagnosing and repairing error codes, flow sensor failures, heat exchanger scale buildup, gas valve malfunctions, and igniter problems. Tankless units can often be repaired rather than replaced, and our plumbers carry common repair components for same-visit repairs when available.
Our reputation is built on results. Here is what our customers have to say.
"Magnet cleared our main drain line and scoped it with a camera to show us exactly what was going on. Honest, thorough, and priced well."
"Great job! Definitely recommend to others. Quick response, professional work, and fair pricing. Would use again without hesitation."
"I called many places to see if someone could come and install a much needed commercial sink at work. Saul called me back and said he could be there in a few hours, and 3 hours later he showed up and installed the sink, faucet and replaced a broken toilet we had."