Rocky Mountain Plumbing & Drain service van in a Utah neighborhood

Tankless Water Heater Repair

No hot water, fluctuating temperature, or error codes? We diagnose the issue and get your tankless system running safely and reliably again.

(385) 265-8699
24/7 Emergency
Licensed & Insured

No hot water right now? Use Emergency Plumbing.

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What Tankless Water Heater Repair Includes

Tankless systems are efficient, but they are sensitive to venting, gas supply, water flow, electrical components, and mineral buildup. Our team focuses on clear diagnosis first, then targeted repairs that restore safe performance without guesswork.

  • Confirm hot water demand, flow rate, and basic system operation

  • Inspect for scale buildup and restriction symptoms

  • Check ignition and heating performance (gas/electric)

  • Verify venting and combustion safety basics

  • Inspect connections, valves, and visible leak points

  • Provide repair options and next-step recommendations

If you need broader help beyond hot water, explore our plumbing services.

Technician diagnosing a tankless water heater

Service Summary

What it is

Professional diagnosis and repair for tankless water heaters that are not heating properly, shutting off, or showing fault codes.

Service Area

Serving Lehi, Sandy, Salt Lake City, West Jordan, Provo, Draper, and surrounding Wasatch Front communities.

How to schedule

Book online or call/text (385) 265-8699.

Why Homeowners Choose Us

Rocky Mountain Plumbing & Drain Logo

Licensed & Insured

Plumbers focused on code-compliant work you can trust.

Upfront Pricing

Clear options and pricing before any repairs move forward.

24/7 Emergency

Available day or night for urgent plumbing issues.

Easy Scheduling

Book online instantly or communicate easily by call/text.

Financing Available

Flexible options for larger projects through financing.

How It Works

1

Contact us with details

Use the form, book online, or call/text (385) 265-8699.

2

We assess & provide options

We diagnose onsite and prioritize the fix that gets you stable hot water first.

3

You approve, we work

Once approved, we complete the repair and confirm operation before leaving.

No Pressure

Clear communication throughout.

What Affects Repair Costs

What changes cost

  • Symptoms and fault codes (sensor vs. multiple failures)
  • Mineral scale buildup and restriction severity
  • Access to the unit, venting, and shutoff locations
  • Gas-side, water-side, or electrical issues
  • Related plumbing repairs (leaks, valves)

How to keep costs down

We provide clear estimates before work begins.

FAQ

Do you service tankless water heaters?

Yes, we specialize in repairing all major tankless brands including Rinnai, Navien, Noritz, and Rheem. Our technicians carry the diagnostic tools necessary to troubleshoot sensors, heat exchangers, and gas valves onsite. Book your diagnostic visit online.

Can you help decide if repair or replacement is better?

Yes. A technician can evaluate your unit onsite and walk you through repair vs. replacement options based on what we find and what makes sense for your home.

How do I schedule tankless repair service?

Book online or call/text (385) 265-8699 to request service.

What are common signs I need tankless hot water repair near me?

No hot water, temperature swings, reduced flow, error codes, or the unit shutting down are common reasons to schedule service. For urgent loss of hot water, use our 24/7 emergency plumbing service.

Do you handle other hot water repair near me issues, not just tankless?

Yes. We handle water heater and related plumbing repairs that can impact hot water delivery. If you’re unsure whether the issue is the heater or plumbing, we’ll help pinpoint it.

Should I do anything before the technician arrives?

If it’s safe, clear access to the unit and note any error codes you see. Avoid disassembly or DIY adjustments. We’ll take it from there.

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