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Tankless Water Heater Repairs in Costa Mesa

Trust Your System to Parzival Plumbing

One of the biggest benefits to a tankless water heater is the fact that these systems can generally be pretty easily and successfully repaired. Whereas the largest problem with tank-style water heater (tank leaks) mean you have to completely replace your system, there’s almost no such thing as a problem that requires you to completely replace your tankless system. So when your tankless system stops working, the experts from Parzival Plumbing can come to you, resolve the issue, and get you back to enjoying your dependable source of hot water again as soon as possible!

Parzival Plumbing is the leading name in tankless water heater repairs in Costa Mesa and throughout Orange County. Nobody installs more, repairs more, or maintains more than us. Our plumbers understand tankless water heater systems thoroughly thanks to hours of continuous and ongoing training, and each is equipped with the parts and tools needed to conduct all types of basic repairs right away. Whether you’ve got a pesky leak, dripping water into your home, an annoying electrical issue which prevents your heater from turning on, or even a gas or temperature issue, we’ve handled it before and can do it again. We come directly to your home, get your issue fixed, and get you back to living your life stress-free. We’re so confident in our work that we back up every repair we conduct with a complete 100% satisfaction guarantee—if you’re unhappy, we’ll return and do whatever it takes to make things right.

Tired of a broken tankless water heater? Get it fixed by the experts at Parzival Plumbing! Call us at (949) 234-6001 today to request an estimate.

We Handle All Problems, Large & Small

As a homeowner, nothing is more frustrating than having to call around to find someone who will handle the issue you’re having. With tankless water heaters, the chances of this are higher than with many other appliances and plumbing problems because the technology is still somewhat new. At Parzival Plumbing, we not only have the training to handle all types of tankless water heater problems, but we’re ready to tackle whatever you’re dealing with at a moment’s notice. We service all major name brands, including units of all different sizes and capacities, so you can call us for whatever you need.

Our tankless water heater repairs include:

  • Heating element problems
  • Gas connection problems
  • Electrical connection problems
  • Water flow issues
  • Water leaks
  • Water pressure issues
  • Exhaust problems

We offer services for all types of tankless water heater systems, including whole-home water heaters and point-of-use water heaters which provide you with an unlimited supply of hot water wherever you need it. Plus we always hold our customer service to the highest standards to ensure you and your home receive nothing short of the outstanding quality repairs that we’ve become known for. We treat all issues with your home as though they were happening in our very own, and always make sure our repairs are durable, long-lasting, and the best value you can find anywhere.

Stop stressing about a tankless water heater and let Parzival Plumbing get it fixed today. Contact us to schedule your service.


  • “I was just amazed at how fast he had saved the day for me. Again a very happy tenant.”

    Steve P.

  • “Not only did they fix the one problem we had with our sink but they fixed the other bathroom as well and for such a good price I was shocked!!”

    Shanee A.

  • “I am so glad I was referred to him a couple years is SO refreshing to have a kind, honest, genuine person who performs high quality work in your home.”

    Mark M.

  • “He impressed me from the start by bringing his own mat to wipe his feet and using shoe protectors in our house.”

    Song R.

  • “We appreciated that Thomas was available to come same day we called and kept us informed on his ETA.”

    Alice and Rick J.

  • “I called Parzival Plumbing, based on other reviews, and set an appointment. Thomas showed up (on time), inspected the situation, gave me a quote, and started.”

    Frank P.

  • “Thanks Anthony and Dimitri! The owner, Thomas, was very accommodating with our schedule and made sure to come out himself when we first had the trouble with our water heater.”

    Quinlan R.

  • “Thomas was the technician who came out & helped us. He was really nice & friendly, courteous & very fair.”

    Sarah S.

  • “We feel so safe working with Parzival, knowing the quality of the work and the staff.”

    Stephen B.

  • “I would definitely recommend Thomas and Parzival Plumbing to anyone in Orange County. A well deserved 5 stars.”

    Gregg R.

  • “Great service and very honest.”

    Orange Coast Beauty

  • “Truly are OC's #1 Plumbing service in my book.”

    Chase Hoiberg

  • “Thomas was able to come early the next morning, take care of the problem, do a video inspection, explain everything really well so that hopefully we don’t have these problems regularly, and do it all for a very fair price.”

    Tyler F.

  • “Parzival Plumbing was great, they were very professional, on time, under budget and the work was even better than I expected. I love these guys!”

    Nancy C.

  • “Very clean, great work, reasonable price and just an all around great experience to have Parzival on the job!”

    Sean T.


  • We Have a 100% Satisfaction Guarantee

  • Highly Trained, Clean & Professional Staff

  • We Operate Off a Pricesheet & Provide Upfront Pricing

  • We Treat Our Customers with Respect & Integrity

  • Our Top-Down Commitment to People and Relationships

  • Comprehensive Plumbing Services for Peace of Mind

  • We Help Our Customers Make an Educated Decision

  • We Provide High Quality Work In a Quick and Efficient Manner