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Top-Rated Water heater repair or service pros in Blackstone - Updated Nov 2026

Avatar for A&B Plumbing Service
A&B Plumbing Service
4.4(
157
)
Water Heater - Repair or Service

Serving Blackstone, MA and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Al did an immaculate job of replacing my old gas water heater, and was kind enough to replace the water valves for my washing machine despite dropping the request on him last minute. Highly highly recommended!"
New tiled shower with Kohler fixtures
50 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for CJ's Plumbing & Heating Specialists, LLC
CJ's Plumbing & Heating Specialists, LLC
4.1(
11
)
Water Heater - Repair or Service

Serving Blackstone, MA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"They were great to work with. They did an oil to gas conversion and kept me informed of what was happening. Their customer service was the best I've seen so far. I would hire them again and recommend them to anyone I know."
Installation
Master Plumber / Pipefitter
New Corner Shower unit and plumbing
Biasi B-10 5 section triple pass oil fired boiler
Laars 40 gallon indirect water heater

+14

Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for First Class Plumbing
First Class Plumbing
4.7(
63
)
Water Heater - Repair or Service

Serving Blackstone, MA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Was very professional explained what he was doing while doing the repairs so that I would know what was going on so there would be no surprises. Will be calling him back to do some more work in a couple of weeks."
newton kitchen
wellesley
Natick bathroom
Boston
 Grohe custom controls

+22

Response time3 days
4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
4.3(
63
)
Water Heater - Repair or Service

Serving Blackstone, MA and surrounding areas

Approved (Corporate)

In business since 1944

Free estimates

Emergency services offered

"Responded immediately to the side effects of a water break in the house. Immediately restored electrical services to dry areas, came back a few days later to restore more services. Gave detailed proposal before work was initiated, had enough supplies on truck to immediately replace most of affected parts. and advised on purchase of replacement fixtures. The technician was cheerful and understood my goals in restoring service."
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation

+56

Response time9 hrs
Response rate97%
79 neighbors recently requested a quote
Avatar for Morton Plumbing and Heating
Morton Plumbing and Heating
5.0(
5
)
Water Heater - Repair or Service

Serving Blackstone, MA and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"Morton’s Plumbing & Heating did an excellent job replacing my bathroom vanity and sink. I would recommend them to anyone looking for a great honest plumber who is reasonably priced compared to these big corporations."
1 neighbors recently requested a quote
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FAQs for water heater repair or service projects in Blackstone, MA

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Blackstone, MA homeowners’ guide to water heater repair or services

From average costs to expert advice, get all the answers you need to get your job done.