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Third-Generation Plumbing Company

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Tankless Water Heater Repair
Rockingham County, NH

Third-Generation Plumbing Company

Free Estimate

Licensed and Insured

Request Lorem Epsom

Hero Request Form

Get Your Tankless Water Heater Running Like New

When your tankless water heater stops working properly, you need repairs you can count on. Boucher & Sons Plumbing & Heating LLC provides complete tankless water heater repair throughout Rockingham County, NH and Merrimack County, NH. We work with all major brands to restore your on-demand hot water:

  • Navien system diagnostics and repairs
  • Kohler tankless unit servicing
  • A.O. Smith troubleshooting
  • Lochinvar maintenance and fixes
  • Viessmann technical repairs
  • American Standard solutions
  • Moen water heater service


Our team handles both simple adjustments and complicated repairs. Reach out to us to schedule your service.

Signs Your Tankless Water Heater Needs Repair
Tankless water heaters are efficient and reliable, but they can develop problems over time. If you notice issues with your unit in Rockingham County, NH, getting them fixed quickly matters. Common signs that indicate you need repair service include:
  • Fluctuating water temperatures
  • Error codes appearing on display
  • Reduced water flow or pressure
  • Strange noises during operation
  • No hot water at all
  • System not igniting properly

These problems can interrupt your daily routine. Our team can diagnose and repair your tankless water heater quickly, bringing comfort back to your home.
Why Choose Boucher & Sons Plumbing & Heating
As a family-owned, third-generation plumbing company serving Rockingham County, NH and Merrimack County, NH, we bring 40 years of experience to every job. Our commitment to quality has earned us recognition as Eagle Tribune Best of Haverhill, MA in 2025 and 2026. When you choose us, you're getting:
  • Fully licensed and insured professionals (NH Lic#4741, MA Lic#31591, Gas Lic#GF25530727)
  • Experience with Fujitsu, Weil McLain, and other leading brands
  • Prompt follow-through on every customer request
  • Trusted local service you can count on

We understand how important reliable hot water is to your household. That's why we provide repairs that last and service that exceeds expectations.
Contact Us

Ready to restore your tankless water heater's performance? Boucher & Sons Plumbing & Heating is here to help residents throughout Rockingham County, NH with reliable repairs and outstanding customer service. Our skilled technicians arrive prepared to handle any issue your system may be facing. Contact us today.

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