Are you having issues with your tankless water heater? At John Sadler Plumbing & Heating, we provide fast, reliable, and affordable tankless water heater repair services in Surrey, South Surrey, White Rock, Langley, and Aldergrove. With a focus on exceptional customer service and expert repairs, we’ll ensure your tankless hot water heater is working efficiently to meet your needs.
Read our blog on how to decide if you need a tankless water heater replacement or repair.
Tankless water heaters are efficient and durable, but they can still encounter issues. Our technicians specialize in diagnosing and repairing a wide range of problems, including:
Need help now? Call us at 604.531.4355 for tankless water heater repair!

Established in 1976, we bring almost half a century of expertise to every job. Our long history in the community means you can count on a proven track record and a reputation built on trust and high-quality service.
Your work is handled by fully licensed, insured technicians with extensive training and experience. Our team stays up-to-date with the latest industry codes, safety standards, and technology, ensuring every repair or installation is done right the first time.
We are your one-stop shop for all plumbing, heating, and cooling needs. From leaky faucets and drain cleaning to furnace installs and AC maintenance, we do it all – residential and commercial. You won’t need to juggle multiple contractors; our skilled crew can handle every aspect of your building’s comfort systems
When you need us, we’ll be there. Enjoy prompt, reliable service with flexible scheduling to suit your busy day. Have an urgent problem after hours? Our team is on-call and ready to tackle emergency plumbing or heating issues to protect your property. No waiting around and no wondering when help will arrive.
With John Sadler, you’ll always know what to expect. We provide clear, upfront estimates before any work begins – no surprises and no hidden fees. Our friendly professionals will explain your options and never pressure you into repairs or replacements you don’t need. Honesty and transparency are at the core of our customer service.
Your satisfaction is our priority. We stand behind our work 100% and won’t consider the job done until you’re happy. Every project is completed to the highest standard, and we back our repairs and installations with solid warranties for your peace of mindbarrie. If something isn’t right, we’ll make it right – end of story
We’re proud to be award-winning local experts – voted one of the area’s best service businesses. Our customers have given us an average rating of 4.9 out of 5.0 stars, reflecting our commitment to exceptional service. When you choose John Sadler Plumbing & Heating, you’re choosing a proven team that countless homeowners and business owners trust for quality, professionalism, and value.

Contact us today to learn more about our plumbing services in Surrey, White Rock & Langley or schedule your appointment. Regardless of your problem, our experience can provide a quality solution. If you have an emergency, please contact us immediately as our certified technicians can help!
Don’t wait for a complete system failure—watch for these signs of trouble:
Notice any of these issues? Call us today at 604.531.4355 for immediate service!


At John Sadler Plumbing & Heating, we make repairing your instant water heater a stress-free experience:

Don’t let a malfunctioning water heater disrupt your day! Call John Sadler Plumbing & Heating at 604.531.4355 or fill out our online contact form to schedule your tankless water heater repair. We’ll have your system up and running in no time.

Common signs include error codes, inconsistent water temperature, reduced flow, or no hot water at all. These issues often point to mineral buildup, ignition problems, or component wear.
Error codes indicate that the system has detected a specific fault. The code helps identify issues such as ventilation problems, sensor failures, or restricted water flow.
Yes, tankless systems can shut down unexpectedly to protect internal components. This is often caused by scale buildup, gas supply issues, or electrical faults.
Yes, regular descaling helps prevent mineral buildup that can cause performance issues and breakdowns. Annual maintenance is especially important in areas with hard water.