Open now · 24-hour emergency service Sunday to Friday: open 24 hours · Saturday: closed 1 Mockingbird Circle, Houston, TX 77074
4.7from 108 Google reviews Water heater repair in Katy, TX

Katy water is hard on heaters. We repair, flush and replace them.

Katy, Cinco Ranch and the subdivisions along the Grand Parkway run on some of the hardest water in the Houston area, and water heaters show it: rumbling tanks, lukewarm showers, tankless units throwing error codes. Royal Flush Affordable Plumbing repairs tank and tankless heaters across Katy, flushes and descales them, and quotes repair and replacement side by side when the tank is near the end, scheduled from our Houston office with the price agreed first.

  • $100 off water heater installation
  • Price agreed before any work
  • 24 hours, Sunday to Friday

Book a Katy water heater visit

Tell us the symptom. A plumber calls back with a price range, not a call center.
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We only use your number to call you back about this job. No spam, ever.

Prefer to talk? 281-612-1015

Signs you need this

Six water heater problems we see in Katy homes.

Most of them trace back to the water. Each one has a fix, and the fix is cheaper the earlier it is called.

Rumbling or popping when it heats

Sediment from hard water boiling on the bottom of the tank. A flush if the tank is sound; a replacement if it has been rumbling for years.

Lukewarm water, or it runs out fast

Sediment taking up tank volume, a failed lower element, or a broken dip tube. All repairable on a sound tank.

No hot water at all

A pilot or thermocouple on gas, a tripped reset or failed element on electric, or a failed gas valve. Same-day parts on the truck.

Tankless error codes

Scale on the heat exchanger, a flow sensor, or venting. Descaling and the part, with isolation valves added if the builder left them out.

Water in the pan

A fitting, the relief valve or the drain valve is a repair. The tank body is a replacement. We check before anyone condemns a heater.

A builder-grade heater past ten years

Most Katy subdivisions were built with the minimum unit and no maintenance plan. We tell you honestly how much life is left.

A tankless water heater installed in an attic by Royal Flush Affordable Plumbing
$100off water heater installation
Katy, from our Houston office

Scheduled visits, loaded for the job.

Katy is a straight run out I-10 from our office at 1 Mockingbird Circle. Visits are scheduled and confirmed, the truck is loaded for the heater you described, and you get the price before we leave Houston. Emergencies, a tank leaking from the body or no hot water in a household that cannot wait, are dispatched 24 hours Sunday to Friday.

The Katy pattern is consistent: hard water from the Gulf Coast aquifer, large homes with 50- and 75-gallon tanks, tankless units in the newer builds installed without isolation valves, and heaters that have never been flushed. A visit includes the flush or descaling where the heater is sound, the anode check, the pan drain check, and a straight answer on whether to repair or plan a replacement.

  • A time you agree toKaty visits are scheduled, confirmed, and we call when the truck is on the way.
  • Hard-water careFlushing, descaling, anode replacement and isolation valves, so the next heater lasts.
  • Two prices when there are two optionsRepair and replacement, with $100 off installation, so you choose with the numbers in front of you.
How we fix it

A Katy water heater call, start to finish.

A few questions by phone, then a scheduled visit with the parts on board.

No hot water this morning?

Check the breaker or the pilot first; the fix is often there. Then call 281-612-1015 with the heater's brand and age and whether there is water in the pan.

Call 281-612-1015
  1. 1
    Right away

    You describe the heater and the symptom

    Gas or electric, tank or tankless, age, and what it is doing. That tells us what parts to load for Katy.

  2. 2
    Scheduled

    The visit is confirmed

    A time you agree to, and a call when the truck is on the way from Houston.

  3. 3
    Before any work

    Diagnosis and price

    The cause, and the price to repair it. If the tank is near the end, the replacement price is quoted beside it.

  4. 4
    Same visit

    Repaired or replaced, tested

    Flushed or descaled where the unit is sound, refilled, brought to temperature, every connection checked.

What affects the price

What moves the price on a Katy water heater.

Agreed before any work. These are the variables.

A part or the tank

Thermocouples, elements, thermostats, valves and dip tubes are small repairs. A failed tank is a replacement.

Flush or descale

A tank flush is part of a repair visit on a sound tank. Tankless descaling is a scheduled service, quicker with isolation valves in place.

Size and type of replacement

Like-for-like is the simplest swap. A larger tank or a tankless conversion changes gas line and venting work.

Where the heater is

Garage units are straightforward; attic units take longer and need the pan drain checked.

The coupon

$100 off water heater installation, or $25 off any other plumbing service.

Water Heater Repair in Katy FAQs

Water heater questions from Katy homeowners.

Still not sure? Call and describe the problem. We’ll tell you honestly whether it’s a 20-minute fix or a job worth quoting.

Ask a plumber: 281-612-1015
01Do you serve Katy and Cinco Ranch?
Yes. Katy, Cinco Ranch, Grand Lakes, Seven Meadows, Firethorne and the surrounding subdivisions are scheduled from our Houston office with the price agreed before we leave. Emergencies are dispatched 24 hours Sunday to Friday.
02Why do water heaters fail faster in Katy?
Katy water is hard, so scale forms every time it is heated. In a tank it settles as sediment that insulates the burner and damages the lining; in a tankless unit it coats the heat exchanger. Annual flushing or descaling, or a softener, is the difference between eight years and twelve.
03Can you descale a tankless water heater?
Yes. A pump circulates a descaling solution through the heat exchanger via isolation valves for about an hour. If the unit was installed without isolation valves, common in Katy builder installations, we add them once and the service becomes routine.
04Should I repair or replace a ten-year-old heater?
If the tank is sound and a part has failed, repair it and flush it. If it is leaking from the tank body, rumbles despite flushing, or is past twelve years, replace it. We quote both so you can compare.
05Do you install water softeners in Katy?
Yes. A whole-house softener stops scale forming in the heater, the dishwasher and the fixtures, and in Katy water it is the one fix that addresses the cause. We size it to the household and the hardness.
Google reviews

What Houston says after the job is done.

Pulled straight from our Google Business Profile.

4.7 108 Google reviews Google Business Profile
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Latest review
Larry Duong Google review · 2 months ago

Thank you for a fantastic and quick service! Manny is a life saver. Our water main line burst was fixed quickly and without any hassle!

See this review on Google
Larry Duong2 months ago

Thank you for a fantastic and quick service! Manny is a life saver. Our water main line burst was fixed quickly and without any hassle!

See this review on Google
LeeAnn Ewah8 months ago

Manny is excellent. He’s been our plumber of choice for my business for 5 years. Always fair. Always punctual. Very honest. Highly recommended!

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Alyssa Navarre1 year ago

Very professional, completed the job true to time and price expectations. Would definitely hire again in the future!

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Ready when you are

Heater rumbling or running short in Katy? Call now.

A plumber answers 24 hours a day Sunday to Friday, schedules the Katy visit, and agrees the price before the truck leaves Houston.

Request a callback

Name and number is enough. A plumber calls you back.

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