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  • Rinnai Authorized Dealer

Tankless Water Heater Repair

See what we handle — from emergency leaks to full water heater installs.

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Plumber working under kitchen sink
Smart water shutoff system on copper pipes
Service Overview

Fast, Reliable Tankless Water Heater Repair

Our simple process ensures fast service, clear communication, and reliable results from start to finish.

Advanced Leak Detection

Whether renovating your home or updating a rental property, flooring choices play a major role in comfort, efficiency, and long-term performance. If you’re considering radiant heating, selecting the right floor covering is essential.

As a full-service plumbing and heating contractor, we help homeowners choose systems and flooring combinations that deliver consistent, energy-efficient heat throughout the home.

Automatic Water Protection

Whether renovating your home or updating a rental property, flooring choices play a major role in comfort, efficiency, and long-term performance. If you’re considering radiant heating, selecting the right floor covering is essential.

As a full-service plumbing and heating contractor, we help homeowners choose systems and flooring combinations that deliver consistent, energy-efficient heat throughout the home.

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  • Professional Installation

    Whether renovating your home or updating a rental property, flooring choices play a major role in comfort, efficiency, and long-term performance. If you’re considering radiant heating, selecting the right floor covering is essential.

    As a full-service plumbing and heating contractor, we help homeowners choose systems and flooring combinations that deliver consistent, energy-efficient heat throughout the home.

  • Long-Term Peace of Mind

    Whether renovating your home or updating a rental property, flooring choices play a major role in comfort, efficiency, and long-term performance. If you’re considering radiant heating, selecting the right floor covering is essential.

    As a full-service plumbing and heating contractor, we help homeowners choose systems and flooring combinations that deliver consistent, energy-efficient heat throughout the home.

Plumber tightening a chrome pipe with a wrench
Common Issues

Signs You May Need a Smart Water Shutoff System

Not every plumbing problem is immediately visible. Hidden leaks, aging pipes, and unexpected changes in water usage can lead to expensive repairs if left unnoticed. A smart water shutoff system continuously monitors your plumbing, helping detect issues early and automatically protect your home before serious damage occurs.

What to Look For

  • Unexpected High Water Bills
  • Hidden Pipe Leaks
  • Low Water Pressure
  • Frequent Plumbing Repairs
  • Aging Plumbing
  • Water Damage Concerns
Process

How It Works

Our simple process ensures fast service, clear communication, and reliable results from start to finish.

  • 01

    Request Service

    Schedule your service online or by phone.

  • 02

    Inspection & Diagnosis

    We assess the issue and identify the best solution.

  • 03

    Professional Repair

    Quality work, completed quickly.

  • 04

    Final Quality Check

    We test everything to ensure reliable performance.

Sequoia Plumbing & Mechanical service van parked in a residential neighborhood
Benefits

Why Homeowners Choose Smart Water Shutoff Systems

Protect your home with smart leak detection, automatic water shutoff, and real-time monitoring.

  • Benefit icon 1

    Detect Leaks Early

    Identify hidden leaks before they become costly repairs.

  • Benefit icon 2

    Automatic Water Shutoff

    Automatically stops water flow when a leak is detected.

  • Benefit icon 3

    Mobile App Control

    Monitor and manage your system from anywhere.

  • Benefit icon 4

    Reduce Water Damage

    Help protect your home from costly water damage.

24/7 Support

Fast, Professional Plumbing When You Need It

Service Area

Proudly Serving the San Francisco Bay Area

Proudly serving homes and businesses throughout the San Francisco Bay Area, including the communities below and surrounding areas.

  • LocationSan Francisco
  • LocationSan Mateo
  • LocationRedwood City
  • LocationMountain View
  • LocationPalo Alto
  • LocationSan Bruno
  • LocationFoster City
  • LocationBurlingame
  • LocationSan Carlos
  • LocationLos Altos
  • LocationMenlo Park
  • LocationBelmont
  • LocationAtherton
  • LocationMillbrae
  • LocationOakland
  • LocationBerkeley
  • LocationEl Cerrito
  • LocationLafayette
  • LocationOrinda
  • LocationNapa
  • LocationSan Rafael
  • LocationNovato
  • LocationMill Valley
  • LocationLarkspur
  • LocationSonoma
  • LocationCorte Madera
Customer Reviews

Trusted Service. Real Customer Experiences.

See what Bay Area homeowners and businesses say about working with Sequoia Plumbing & Mechanical.

San Francisco, CA

Jessica M.

Google

Couldn't be happier with our new radiant heating system. The installation was clean, completed on schedule, and the technicians answered all of our questions. Highly recommend this company if you're looking for quality workmanship.

San Mateo, CA

David R.

Yelp

Our tankless water heater suddenly stopped producing hot water, and they came out the same day. The technician diagnosed the issue quickly, made the repair, and had everything working again in no time. Excellent service!

Sebastopol, CA

Amanda K.

Facebook

We finally had a water softener installed, and the difference is amazing. Our water feels so much softer, and we've already noticed less buildup on our fixtures. The installation was quick and professional.

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Tankless Water Heater Repair

Frequently Asked Questions

Plumber working under sink
  • Common causes include scale buildup, ignition faults, flow sensor issues, or venting problems. We diagnose and restore reliable hot water.

  • We work on major tankless brands and stock common parts so many repairs can be completed in a single visit.

  • If the unit is older or repeatedly failing, we compare repair cost to a new high-efficiency option so you can decide clearly.

(650) 880-6339Request Service