Tankless Water Heater Repair in Newport Beach, CA
Need immediate tankless water heater repair in Newport Beach, CA? FKM Plumbing offers prompt service to get your hot water flowing again.
- Guaranteed Workmanship
- Expert Diagnostics
- Licensed Technicians
- Upfront Pricing
Tankless unit flashing a code? Get it repaired quickly in Newport Beach, CA.
Our certified plumbers are ready to diagnose and fix any issue with your tankless system.
Skilled Tankless Water Heater Repair in Newport Beach, CA for Gas and Electric Units
FKM Plumbing specializes in complete tankless water heater repair throughout Newport Beach, CA. These advanced units offer real energy savings and endless hot water, but when issues arise, specific knowledge is required.
Our expertise includes:
- Condensate neutralizer, venting and gas supply sizing corrections
- Heat exchanger descaling with circulation pump and service valves
- Cleaning and descaling heat exchanger coils.

Additional Plumbing Repair Services in Newport Beach, CA
We offer expert plumbing repair services across Newport Beach, CA to fix leaks, restore flow, and keep your system running smoothly.

Customers
Why Choose FKM Plumbing for Tankless Water Heater Repair in Newport Beach, CA?
We are dedicated to providing clear communication, honest assessments and effective repairs every time.
- Southern California Expertise, We understand how local water and weather conditions can affect tankless systems and tailor our solutions accordingly.
- Brand Trained, Our plumbers know the diagnostics for Navien, Rinnai, Noritz, Rheem and Takagi units.
- Rapid Response, We put first your comfort with quick dispatch and efficient repair services to minimize your downtime.
Citywide Coverage
No matter where you are in Newport Beach, our trained technicians are dispatched quickly to address your tankless water heater repair needs promptly and professionally.
Experienced Team
The team has repaired everything from simple scale lockouts to failed heat exchangers and control boards. That experience helps them sort out intermittent problems that frustrate homeowners.
Safety-First Approach
FKM Plumbing makes sure every tankless water heater repair is performed to the highest safety standards, preventing potential hazards like gas leaks or electrical shorts. Our compliance with all relevant building codes guarantees a secure and properly functioning system.
Trusted Certified Newport Beach Plumbing Services Professionals
At FKM Plumbing, we take pride in providing certified plumbing services throughout Newport Beach, CA. Backed by leading industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationProfessional Tankless Water Heater Repair Services in Newport Beach, CA
Noritz Tankless Water Heater Repair in Newport Beach, CA
Noritz tankless heaters are known for their sturdy design, but can sometimes face issues such as flow sensor malfunctions or venting problems. We provide dedicated repair services for Noritz units in Newport Beach, CA, ensuring proper combustion, water flow and exhaust, which are essential for safe and efficient operation.

Commercial Tankless Water Heater Repair in Newport Beach
Commercial tankless water heaters in Newport Beach face heavier usage and require robust repair solutions. Whether it is for a restaurant, hotel or office building, we understand the importance of maintaining hot water availability. Our commercial tankless water heater repair services address larger capacity units, complex manifold systems and often more severe scaling issues. We focus on fast, efficient service to minimize disruption to your business operations.
Gas Tankless Water Heater Repair in Newport Beach
Gas tankless water heaters require precise gas pressure and proper ventilation for safe operation. Issues can range from gas valve malfunctions to carbon monoxide sensor errors. Our licensed technicians in Newport Beach perform thorough diagnostics on gas lines, igniters and exhaust systems, so your unit is both functional and safe.
Rinnai Tankless Water Heater Repair in Newport Beach, CA
Rinnai is a popular tankless brand, and its units can face challenges such as scaling from hard water or issues with their flame rod. Our technicians in Newport Beach, CA are skilled at Rinnai tankless water heater repair, focusing on descaling services, fan motor replacements and resolving issues with gas valve assemblies. We ensure your Rinnai system continues to provide reliable, on-demand hot water, following manufacturer specifications.
Tankless Water Heater Descaling Service in Newport Beach
Hard water can lead to mineral buildup, or scaling, in your tankless water heater's heat exchanger, reducing efficiency and eventually causing breakdowns. Municipal water across much of Southern California is hard, leaving white scale on faucets, showerheads, and inside water heater tanks. Our descaling service in Newport Beach involves flushing the unit with a dedicated cleaning solution to dissolve these mineral deposits. This preventative maintenance and repair step is crucial for extending the lifespan of your tankless heater and keeping it at peak performance.
Ignition Failure Repair in Newport Beach, CA
If your tankless unit will not fire, the cause may be a dirty flame rod, a bad igniter, low gas pressure or a blocked intake. We test each component and measure gas pressure at the inlet. Undersized gas lines are a common hidden cause when a tankless unit replaced a tank. We correct the issue so the unit lights reliably.
Electric Tankless Water Heater Repair in Newport Beach, CA
Electric tankless units offer a compact solution but can encounter problems with heating elements or circuit breakers. FKM Plumbing offers professional electric tankless water heater repair in Newport Beach, CA, addressing electrical faults, ensuring proper wiring and replacing faulty elements to restore your hot water supply safely and efficiently.

Recirculation Pump Repair in Newport Beach
Many tankless systems use internal or external recirculation to deliver hot water faster. Pump failures, check valve problems or wrong schedule settings can cause long waits or lukewarm water. We test the pump, check valves and controls and set the schedule to match your daily routine. A properly tuned system saves both water and gas.
Tankless Water Heater Repair Near Me in Newport Beach, CA
When you search for 'tankless water heater repair near me' in Newport Beach, CA, FKM Plumbing is your trusted local expert. Our well-placed teams allow for rapid response times to address your urgent hot water needs.
Searching for tankless water heater repair near me often turns up companies that only replace tanks. FKM Plumbing repairs tankless units with the diagnostic skills they need. We work through error codes systematically to find the real cause.
FKM Plumbing at a Glance
- Licensed and insured plumbers serving Newport Beach, CA
- Same-day appointments and 24/7 emergency response
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 754+ Southern California customers
Newport Beach Map
Newport Beach Information
- Population
- 82,637
- Area codes
- 949/714/562
- Service area
- Newport Beach and communities within 40 miles
- Nearby
- Costa Mesa, Irvine, Huntington Beach, Santa Ana
Tankless water heaters in Newport Beach, CA are prone to mineral buildup from hard water, making regular descaling and prompt repairs important to maintain efficiency and prevent premature system failure.
Expert Services
Trust our professionals for reliable FKM Plumbing solutions in Newport Beach, CA.
Our Specialized Plumbing Services in Newport Beach, CA
At FKM Plumbing, we provide a complete range of plumbing services across Newport Beach, CA. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Tankless Water Heater Repair Process Works in Newport Beach, CA
Our step-by-step approach ensures a thorough diagnosis and effective repair of your tankless unit.
Request a Quote
Contact us at (213) 871-0701 to describe your tankless water heater issue. We will gather key details and schedule a convenient service appointment for you.
Diagnosis & Estimate
Our technician arrives, performs a detailed inspection using diagnostic tools, identifies the problem and provides a clear repair estimate before any work begins.
Expert Repair
Once approved, we proceed with the repair using high-quality parts and industry-best practices. We make sure your tankless unit is fully functional and safe.
Frequently Asked Questions About Tankless Water Heater Repair in Newport Beach
The cost of tankless water heater repair in Newport Beach varies widely depending on the issue, ranging from $150 for minor fixes like sensor replacement to $600 or more for complex repairs involving heat exchanger descaling or major component replacements. We provide a detailed estimate after diagnosing the specific problem.
Codes point to specific faults such as ignition failure, flame loss, overheating or scale buildup. Each brand uses its own code list, and we use manufacturer guides to read them.
In homes with hard water and no softener, once a year is a good rule. Homes with a softener may go longer, but annual inspection is still smart.
Common signs include inconsistent hot water, a sudden loss of hot water, strange noises like banging or popping, a rotten egg smell or error codes displayed on the unit. Any of these symptoms warrant a professional inspection.
Some homeowners do with a kit if service valves are installed. Diagnosing error codes and replacing sensors, igniters or gas components should be left to a professional.
With regular descaling, tankless heaters often last 15 to 20 years. Without maintenance in hard water, problems can start within a couple of years.
Fluctuating temperatures can come from low flow rates, a dirty inlet filter, a failing flow sensor or scale on the heat exchanger. Crossed hot and cold lines at a fixture can cause it too.
Most repairs and descaling are done in one to three hours. If a part must be ordered, we usually return within a few business days.
What People Are Saying About Our Plumbing Experts?

Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Laguna Niguel, CA
James P.
Our commercial plumbing system had a leak under the sink, and FKM Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Huntington Beach, CA
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Irvine, CA
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Newport Beach, CA
Patricia H.
We had a slab leak that two other companies could not find. FKM Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Santa Ana, CA
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Irvine, CA













