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

Avatar for Just In Case Plumbing & Heating LLC
Just In Case Plumbing & Heating LLC
5.0(
58
)
Water Heater - Repair or Service

Serving Dayton, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Warranties offered

Credit card accepted

"Fast, courteous service neat answered any concerns about the future of the fix, asked if there was any thing else that we had a question about what was done and what to expect in the future first time I ever hired someone off Angie’s list I hope they’re all as good or near as good as them and the best part was, I said I didn’t wait very long for him to come check it out give me an estimate and then fix everything that needed to be fixed and then asked me if there was anything else that I needed fixed or ajusted took his time to answer questions about project I have planned for the future and other ideas that might enhance my ID for my project or ideas that will improve the functioning of my home extremely happy with my contractor from just in case, plumbing and heating LL would recommend them to anyone, family, friends, and anyone that needed a company you could trust and expect and get excellent work done in a timely fashion with great results. I look forward to using them again"
Plumbing Project
Plumbing Project
Before
Basement Bathroom
Water Heaters Project

+14

Recommended by46%of homeowners
Garden State Water Heaters
4.5(
521
)
Water Heater - Repair or Service

Serving Dayton, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

Our experience is serving our customers with 100% satisfaction on every project we take on. We will give you the peace of mind you need and deserve. Garden State Water Heaters, happily services the community with integrity, professionalism, and competitive pricing. We are fully licensed and insured, and have built a reputation for quality work with each satisfied customer. Thank you for the opportunity to introduce you to our company.

Water Heater Install
Water Heater Install
Water Heater Install
Water Heater Install
Water Heater Install

+1

Recommended by81%of homeowners
Avatar for Mr Fixit Plumbing/ CNJ Home Services
Mr Fixit Plumbing/ CNJ Home Services
4.9(
91
)
Water Heater - Repair or Service

Serving Dayton, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"They are very responsive and willing to help. Today, Sunday, I thought we would need their services but instead they walked the tenant through the process to repair! Thank you!"
Mrfixit CNJ made a Complete transformation of my bathrooms with True quality & comfort in mind.
The lights & Rainhead really make this bathroom
Additional Photos
Additional Photos
Additional Photos

+48

Response time9 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Alliance Service Professionals, LLC
Alliance Service Professionals, LLC
4.5(
308
)
Water Heater - Repair or Service

Serving Dayton, NJ and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"Company was very communicative. Technician was professional and helpful. Initial diagnosis and attempted repair of hot water heater was not successful, causing me to pay for a new unit in addition to the failed repair."
Large sewer line replacement
Replace Iron with PVC
Replace Iron with PVC
Before
Response time10 mins
5 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Under Pressure Plumbing, LLC
Under Pressure Plumbing, LLC
5.0(
5
)
Water Heater - Repair or Service

Serving Dayton, NJ and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

I am a lifelong plumber, working as a plumber for over 15 years. Finally able to go out on my own and start my own business after many years of hard work. Full licensed and insured. Full service plumbing company. Our prices are very reasonable and affordable. Honesty, transparency, trustworthiness are our top characteristics! We offer same day, next day, and emergency or off hour service.

Bath remodel
Bath remodel
Bath remodel shower
Double vanity
1 neighbors recently requested a quote
...
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FAQs for water heater repair or service projects in Dayton, NJ

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 Dayton, NJ 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.