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

Quinn Plumbing & Heating, LLC
4.3(
201
)
Water Heater - Repair or Service

Serving Seymour, CT and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"I received a call back promptly. Tom couldn t have been more helpful to me from walking me through shutting the water and the electricity to my water heater off. He gave me a fair deal on a new water heater made me the first appointment of the day because of having my son in the house and came promptly on time and finished the job very quickly. I really appreciate everything he did for my family and would recommend him to anyone."
Response time5 hrs
8 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for MTL Heating & Cooling
MTL Heating & Cooling
4.7(
142
)
Water Heater - Repair or Service

Serving Seymour, CT and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"I had Michael LeBlanc come over to see if my water heater was serviceable. Unfortunately, it had to be replaced. I was very happy with the quick response time and him scheduling in the replacement service right away. I now have hot water again, and recommend MTL based on this experience."
 Viessman boiler oil to gas conversion Orange
Peerless oil boiler/Amtrol indirect water heater
 Navien Boiler oil to gas conversion Stratford
Day & Night gas furnace New Haven
 Peerless gas boiler West Haven

+4

Response time8 hrs
Recommended by98%of homeowners
Avatar for P & M Plumbing, LLC
P & M Plumbing, LLC
4.3(
16
)
Water Heater - Repair or Service

Serving Seymour, CT and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Paul did a great job. He even followed up with the water heater company and found out it need outside venting. He performed the additional work free of charge. I would recommend P&M Plumbing for anyone with plumbing needs."
Plumbing
19 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Benjamin Franklin Plumbing of Danbury
Benjamin Franklin Plumbing of Danbury
4.4(
7
)
Water Heater - Repair or Service

Serving Seymour, CT and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We take pride in serving the vibrant community of Danbury, and we understand the unique plumbing challenges that homeowners in this area may face. Whether it's addressing hard water issues prevalent in the region, performing sewer line inspections to prevent root intrusions, or offering eco-friendly plumbing solutions, our expertise is tailored to the specific needs of Danbury residents.\n\nTrust Benjamin Franklin Plumbing of Danbury to safeguard your pipes and preserve the integrity of your plumbing system. With our unwavering dedication to quality, reliability, and customer satisfaction, you can feel confident that your home is in capable hands.

Gallery
Gallery
60 neighbors recently requested a quote
Avatar for Sophisticated Rooter Services LLC.
Sophisticated Rooter Services LLC.
5.0(
25
)
Water Heater - Repair or Service

Serving Seymour, CT and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"He was very knowledgeable and gave me some advice on how to avoid future problems. He was also on time and the service was done fairly quickly. He took the time to make sure all repair needed was done correctly and assured me if any problems were to occur he would be back to fix."
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Recommended by100%of homeowners
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FAQs for water heater repair or service projects in Seymour, CT

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 Seymour, CT homeowners’ guide to water heater repair or services

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