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Over 46 Years of Experience

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Tankless Water Heater Repair
Little Chute & Kaukauna, WI Areas

Free Estimates 

1-Year Labor & Installation Warranty 

Over 46 Years of Experience

Request Lorem Epsom

Hero Request Form

Hero Request Form

Get Your Tankless Water Heater Running Efficiently Again
When your tankless water heater stops working properly, you need reliable repair services fast. Keith Petersen Plumbing provides comprehensive repair solutions for all tankless water heating systems in Fox Valley and surrounding areas. Our services address common issues including:
  • Error code diagnostics
  • Mineral buildup and scale removal
  • Ignition failures
  • Temperature fluctuations
  • Flow sensor problems
  • Venting issues

We deliver prompt, effective repairs backed by manufacturer and labor warranties. Reach out to us for same-day service availability.
Signs Your Tankless Water Heater Needs Repair
Tankless water heaters are built to last, but they require maintenance and occasional repairs to function optimally. Recognizing the warning signs early can prevent complete system failure and costly replacements. Common indicators that your unit needs professional attention include:
  • Inconsistent water temperature during use
  • Reduced hot water flow rate
  • Strange noises or rattling sounds
  • Visible error codes on the display
  • Unit fails to ignite or stay lit
  • Water leaks around connections

Addressing these issues promptly helps extend the life of your system and maintains energy efficiency throughout your home in Fox Valley and surrounding areas.
Why Choose Keith Petersen Plumbing
Since 1980, Keith Petersen Plumbing has been the trusted choice for tankless water heater repairs. As a second-generation, family-owned business, we bring over 46 years of hands-on experience to every job. When you call, you speak directly with an owner, never an answering service. Our commitment to quality includes:
  • Fully licensed and insured technicians
  • Staying current with the latest heating technology
  • Meticulous attention to every repair detail
  • Personalized service tailored to your needs
  • Manufacturer's warranty protection
  • 1-year labor and installation warranty
  • Free estimates on all repairs

We combine technical knowledge with a personal approach that larger companies can't match. Our local roots and family values mean we treat your home with the same care we'd give our own.
Contact Us

A malfunctioning tankless water heater can disrupt your daily routine. Keith Petersen Plumbing is ready to diagnose and repair your system quickly and efficiently. If you're experiencing error codes, temperature problems, or complete system failure, our experienced team has the skills to restore your hot water supply. We serve homeowners throughout Fox Valley and surrounding areas with the same dedication we've maintained since 1980.


Contact us today to schedule your repair service and experience the difference that family-owned professionalism makes.

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