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Find Water heater repair or service pros in Dover

Avatar for G&C Plumbing and Heating, LLC
G&C Plumbing and Heating, LLC
5.0(
91
)

Serving Dover, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Small jobs welcome

Credit card accepted

"G&C made replacing our water heater super easy. They came out the next day, got everything swapped out fast, and handled the whole job smoothly. The crew was friendly and did the job right. I was happy to see they added some extra shutoff valves that the original builder had skipped. I like having the peace of mind that I could shut it off more easily in an emergency now. The new water heater works great and the process couldn’t have been simpler. Will definitely be calling them again for future projects."
Burnham X2 Boiler
Water Heater Upgrade
Water Heater Upgrade
Water Heater Upgrade
Water Heater Upgrade

+14

Response time5 hrs
Response rate98%
Avatar for Genove Oil & Air Co
Genove Oil & Air Co
4.7(
216
)

Serving Dover, MA and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"Shawn performed the annual heating inspection for our furnace/oil tank. As always he was very quick, and took extra time to walk me through the piping of our different heating zone. Highly recommend Genove Oil, they are providing stellar service and with employees like Shawn you are in very good hands."
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Pics

+2

Response time1 day
13 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for H L Bowman
H L Bowman
4.7(
407
)

Serving Dover, MA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"We have been using them to maintain our AC for a couple of years, and they are always extremely professional, thorough, and honest. We started having major problems with our unit last summer, and they determined that we needed a major repair to our outdoor AC unit. We were dreading the potential cost, but they were able to do the job, and do it extremely well, for much less than we anticipated. I would highly recommend their services!"
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+6

562 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,397
)

Serving Dover, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"Sila saved me!! Of course right when fall is rolling around my heater broke! The job was quick and affordable! Their amazing customer service is also a huge factor why I will be using Sila again, especially Amy R. In management!"
Additional Photos
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+6

Response time2 days
63 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Gentille Plumbing and Heating
Gentille Plumbing and Heating
5.0(
26
)

Serving Dover, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"This was a relatively small water heater repair, and Ryan did an outstanding job. He responded immediately to my request, provided a reasonable quote, was polite, professional, knowledgable, and friendly to deal with. Will definitely hire again if needed."
Response time6 hrs
Response rate94%
5 neighbors recently requested a quote
Avatar for Yellow Dog Home Services, LLC
Yellow Dog Home Services, LLC
5.0(
8
)

Serving Dover, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"I hired them for a plumbing project worth $2,500 (that option wasn’t available in the dropdown list), and the experience was excellent. From the front desk to the plumbers, everyone responded promptly and professionally. I had the chance to interact with several crew members, and each one showed genuine care and a strong commitment to customer service. The plumbing team did a great job—I would highly recommend them."
Our Team In Action!
Our Team In Action!
Our Team In Action!
Our Team In Action!
Our Team In Action!

+10

Response time7 hrs
Response rate96%
70 neighbors recently requested a quote
Avatar for Addario, Inc.
Addario, Inc.
3.5(
323
)

Serving Dover, MA and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"The company was professional and responsive from the consultation to the office staff to the various people who worked on our project. I had tried to contact about 10 companies to get our heater/ on demand hot water heater replaced. Addario's was the only one who responded immediately and was able to fit us into their schedule to get the work done. We had contact with at least 8 staff people in various capacities, and all were professional, polite and knowledgeable. We also appreciated the senior discount for our project and assistance with the MassSave rebate process.. It has been difficult for us to find service people since we move to Gloucester. We were surprised that the company services this area and we would definitely use them again for plumbing or electrical services."
Burnham Alpine Boiler and an Indirect water heater
Burnham Alpine boiler and a separate Ondemand wat
2 Rinnai Combi Boilers
Rinnai on-demand water heater
4 Zone Rinnai Combi Boiler

+110

Response time1 day
99 neighbors recently requested a quote
Recommended by71%of homeowners
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Showing 1-10 of 122
FAQs for water heater repair or service projects in Dover, 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 Dover, 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.