WATER HEATERS

Water Heater Repair and Replacement in Des Moines, IA

Repair and replacement of gas, electric and tankless water heaters in Des Moines homes, with the vent, gas drop and relief piping checked against the city's installation rules.

OVERVIEW

Water Heater Service Built Around Des Moines Rules

Water heater repair restores a working unit by replacing the part that failed, such as an element, thermostat, gas valve, burner assembly or relief valve. Replacement removes the old heater and installs a new one with its water, gas and vent connections brought to current code. We at Clog Busters do both for Des Moines homes from our branch at 3950 Vandalia Road, open 24 hours a day, 7 days a week.

Replacing a water heater in Des Moines is permitted work that ends with a city inspection. The City of Des Moines Permit and Development Center water heater installation requirements call for a permit, an inspection once the installation is complete, and specific rules for the cold water shutoff, relief piping, vent connector, combustion air and gas drop.

See our water heater services and our Des Moines drain and sewer service. A tank leaking right now is a job for our emergency plumbing in Des Moines.

Water heater installations follow the 2024 Uniform Plumbing Code, in force in Iowa since March 26, 2025, and the City of Des Moines water heater installation requirements.

Clog Busters technician reviewing estimate with homeowner

WARNING SIGNS

Signs a Des Moines Water Heater Needs Service

Each of these signs tells us which part to test before anything is replaced.

Lukewarm Water, Then Cold

On an electric tank, a burned out element or a failed thermostat cuts hot water short. On a gas tank, the burner or gas valve is the first suspect.

Popping or Rumbling as It Heats

Sediment on the tank bottom traps water beneath it, and that water boils up through the layer. The buildup also slows recovery.

Rusty Water From Hot Taps Only

Discolored hot water with clear cold water points to the heater, not the supply. A spent anode rod lets the tank start corroding from the inside.

Relief Valve Opening Again and Again

A temperature and pressure relief valve that keeps opening signals high temperature, high pressure or a worn valve. Thermal expansion in a closed system is a frequent cause.

Moisture Under the Tank

A leak at a fitting, the drain valve or the relief valve can be repaired. Water seeping from the tank body cannot, and that heater needs replacing.

Soot or Scorching at the Draft Hood

Discoloration around the top of a gas heater means exhaust is spilling instead of rising up the vent. Stop using the heater until the vent is checked.

WATER HEATER SERVICES

Water Heater Work We Do in Des Moines

Gas, electric and tankless units, from one failed part to a complete replacement.

  1. 01

    Tank Heater Repair

    Elements, thermostats, gas valves, thermocouples, burners, dip tubes and relief valves tested and replaced on gas and electric tank heaters.

  2. 02

    Tankless Heater Repair

    Ignition and flame faults diagnosed, and heat exchangers descaled when mineral buildup restricts flow and makes the unit shut itself down.

  3. 03

    Tank Replacement

    The new heater is sized to the household's peak hot water use and the recovery it needs, not only to the gallon figure on the old label.

  4. 04

    Tankless Conversions

    Des Moines warns that the gas pipe may need upsizing to carry a tankless heater's larger Btu demand. We size the gas line and plan the vent before recommending one.

  5. 05

    Vent and Gas Drop Corrections

    Vent connectors pitched upward, fastened with three screws per joint and kept clear of combustibles, fed by a rigid black iron gas drop with a drip leg.

  6. 06

    Expansion Tanks and Pressure Control

    Where a check valve, backflow preventer or pressure regulator closes the system, an expansion tank absorbs the water a heater pushes out as it warms.

WHY CLOG BUSTERS

Why Des Moines Homeowners Call Us About Water Heaters

  • Installed to the City List We install to the Permit and Development Center requirements, so the shutoff, relief line, vent and gas drop are ready when the city inspector arrives.
  • Repair Priced Before Replacement When one part has failed in a sound tank, you get a repair price first. Replacement comes up when the tank itself is leaking or corroded.
  • The Whole Installation Checked A new heater on a poorly pitched vent or an undersized gas line can still fail. We look at everything connected to the unit, not just the unit.
  • Price Approved Before Work You see and approve the cost before any repair or replacement begins.
  • Open 24 Hours on Vandalia Road Our Des Moines branch is open around the clock, 7 days a week, so a heater that quits on a January night still reaches us.
  • Plumbing Beyond the Tank Leak detection and broken pipe repair come from the same crew, so a leak traced past the heater does not need a second company.

How We Repair or Replace a Water Heater in Des Moines

Test the unit, check the installation, price both options, then install and verify.

  1. Test the Heater

    We check the elements or burner, thermostat or gas valve, anode rod, relief valve and tank shell to find the part that failed.

  2. Check the Installation

    Vent pitch and clearances, combustion air, the gas drop, the cold water shutoff and the relief line are measured against the city requirements.

  3. Choose Repair or Replacement

    You get the repair cost and, when the tank is near the end of its life, a replacement cost. You decide before work begins.

  4. Remove, Set and Connect

    The old heater is drained and hauled out. The new one gets a dedicated cold shutoff, listed water connectors, a rigid relief line and a properly pitched vent.

  5. Fire, Test and Inspect

    We fill the tank, light or power it, check each joint for leaks and confirm the vent draws. The city final inspection needs at least 24 hours of notice.

REVIEWS

Hear From Some Of Our Customers

Don't Just Take Our Word For It

See All Reviews
4.9 4.9-star Google rating

“Max did a great job with our plumbing issue. He came same day and was very helpful an communicated every step of the way. Cleaned everything up when he was done. Will definitely call them for future issues.”

“I had my furnace inspected for fall maintenance today, and the tech mentioned my drain was backing up - not exactly the news I wanted to hear! I called Clog Busters and they had someone out within the hour, which already impressed me. Max was the technician, and he was absolutely splendid. He took the time to explain everything thoroughly without being condescending about it, which I really appreciated. He was clean and respectful of my home and belongings the entire time he was here.”

“Jordan Rambo was amazing he spent the extra time cleaning up area and taught me what I should and shouldn’t do for drains he was professional, extremely knowledgeable and polite. I would recommend him any time !”

“I live in an area with a lot of tree roots and need to get my sewer drain augered regularly. when jordan came to issue me a quote he also gave me so much information other businesses hadn’t. after he was finished completing the service he cleaned up after himself and gave me a thorough synopsis.”

“Rambo, was outstanding! If I could give 10 stars I would! Did everything he could to help and explain everything where I could understand!”

“Nick did an amazing job at our house today 8-29-2026. He was very informative, professional and answered all our questions. Couldn't ask for anything better.”

“Rambo did a great job. Took care of us and gave tips on how to unclog myself next time. Fast service.”

“Caleb and Noah were a lifesaver. Needed the kitchen drain cleaned after guests ran potato peels down the disposal on Christmas Day. They take emergency calls and made sure I didn't have to wash Christmas dishes in the bathtub.”

“Max showed up and cleared a clog from our kitchen sink drain. He was professional, prompt and honest with pricing. He found a larger issue that he provided quotes for, and was able to complete that work the same day. Thank you Max”

“Efficient, professional and knowledgeable service. Jordan and Evan did a fantastic job for us. Highly recommend!”

FAQ

Water Heater Questions From Des Moines Homeowners

Still stuck? Call the Des Moines shop at (515) 259-1991.

Yes. The City of Des Moines Permit and Development Center lists a permit for the water heater installation as its first requirement. When the installation is complete, the Permit and Development Center is notified to schedule an inspection, and the final inspection must be booked at least 24 hours ahead with the permit number on hand. We explain how the permit applies to your job before work starts.

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