Tankless Water Heater Repair in Richardson

- Expert Repairs on All Tankless Units
Continuous flow, on-demand and hybrid water heater service
- Lasting Restoration of Hot Water Delivery
Get back to clean, on-demand hot water ASAP
- Trusted Techs + a Workmanship Warranty
Certified work plus a warranty on parts and labor
- Get Same Day Service!
- Family Owned and Operated
- Fix Your Issue 100% Guaranteed

Tankless Water Heater Repair, On Your Terms
Richardson deserves better Tankless Water Heater Repair solutions
Homeowners in Richardson often find themselves seeking expert help from Mother Modern Plumbing when their hot water supply becomes unreliable, causing frustrating cold showers.
Have you noticed a sudden lack of hot water? Are you experiencing fluctuating water temperatures? Is your water heater making unusual noises?
Mother Modern Plumbing understands the urgency and frustration when a tankless water heater malfunctions. With our deep expertise and licensed plumbers, we quickly diagnose and repair your tankless system, restoring your hot water with precision and care. Our team has a combined 98 years of experience. We're committed to providing clear, honest solutions, and we never upsell.
Choose Mother Modern Plumbing for flat-rate pricing, expert plumbers, and a commitment to fast, permanent repairs.
Here are some common signs that you may need a tankless water heater repair:
- Inconsistent water temperatures
- Reduced hot water flow
- The unit displays error codes
- The unit is not igniting
- Unusual noises coming from the unit
Don't suffer through another cold shower. Contact Mother Modern Plumbing today, and let our seasoned professionals restore your home's hot water comfort and reliability.

Fast Tankless Water Heater Repair: within 24 hours
If your tankless water heater in Richardson isn’t keeping up, our expert plumbers can help restore consistent hot water fast. We specialize in Tankless Water Heater Repair for all major brands and offer preventative services like Tankless Descale to combat hard water buildup and extend the life of your system.
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Proudly helping with Tankless Water Heater Repair in Richardson
What are the most common tankless water heater repair types?
A majority of tankless water heater repairs (especially in DFW) involve one of these six key issues:
- Descaling due to mineral buildup
- Ignition system issues (blocked sensors)
- Blockages of vents
- Faulty flow sensors
- Leaks from a damaged heat exchanger or valves
- Damaged gas flexes and closed valves (gas units)
How often should I descale my tankless water heater?
Perform tankless water heater descaling once every 6-12 months in most areas to eliminate mineral buildup in the system.
If you live in areas with extremely hard water- such as Dallas-Fort Worth- consider decaling your on-demand hot water heater every 6-8 months (roughly twice a year). Limescale is particularly hard on tankless units in our area.
How often should I replace the inlet filter on a tankless water heater?
This depends on the water quality in your area and your personal water usage rate. Most homeowners should replace the inlet filter every 6 months.
If your home uses a lot of water, or if you live in regions with extremely hard water (like North Texas), check your inlet filter every 4 months. Increased use and excessive mineral scaling have significant impact on the filter's lifespan.
