Tankless Water Heater Replacement in New Britain, CT
Switch to endless hot water with a new tankless water heater in New Britain, CT. GLV Plumbing provides professional replacement services.
- Same-Day Replacement Available
- Fast Tankless Installation
- Expert Plumbers
- Dependable Hot Water
Need a New Tankless Water Heater in New Britain, CT?
Contact GLV Plumbing today for a free estimate on your tankless water heater replacement.
Reliable Tankless Water Heater Replacement for New Britain, CT Homes
GLV Plumbing handles every part of a tankless swap, including removing the old unit, upgrading the gas line if needed, installing new concentric or PVC venting and adding service valves for annual flushing. You get a neat, code-compliant install and a walkthrough of how to keep the heat exchanger in good shape.
Our expertise includes:
- Gas line sizing and upsizing for 199,000 BTU tankless units
- Careful sizing and installation of new tankless units.
- Safe gas and electric line connections for new units.

Additional Plumbing Replacement Services in New Britain, CT
When repairs are no longer enough, our replacement services in New Britain, CT deliver durable upgrades that restore full performance.

Customers
Why Choose GLV Plumbing for Tankless Water Heater Replacement in New Britain, CT?
Public water in most of Connecticut runs soft to moderately hard, and soft water can be slightly corrosive to older copper plumbing. Hard water is tough on tankless heat exchangers, and many early failures trace back to scale and skipped flushing. We size, install and set up each replacement so it holds up to your local water supply.
- Scale Protection, Every install includes isolation valves so the heat exchanger can be descaled without cutting into the pipes.
- Endless Hot Water, Stop running out of hot water, even during peak demand, a true luxury for busy New Britain households with multiple showers or large families.
- Space Saving, Their compact design allows tankless units fit in smaller spaces, freeing up valuable room in your utility closet or garage.
Citywide Coverage
Whether your tankless sits on an exterior wall, in a garage or inside a utility closet, we cover all of New Britain with the same scheduling and pricing. Most replacements are scheduled within a day or two.
Experienced Team
Each technician at GLV Plumbing knows tankless technology, so your replacement is done accurately and efficiently. We focus on details like proper gas line sizing, venting and electrical connections for top performance and safety.
Safety-First Approach
Tankless heaters burn a lot of gas at full fire, so we pressure test gas connections and verify meter capacity before lighting the unit. Venting is installed and sealed to prevent carbon monoxide from entering living space.
Trusted Certified New Britain Plumbing Services Professionals
At GLV Plumbing, we take pride in providing licensed, certified plumbing services throughout New Britain, CT. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationReliable Tankless Water Heater Replacement Services in New Britain, CT
Rinnai Tankless Water Heater Replacement in New Britain
Rinnai is a leading brand in the tankless water heater market, known for its quality and engineering. If your Rinnai unit is aging or malfunctioning, GLV Plumbing provides expert Rinnai tankless water heater replacement in New Britain. We make sure your new Rinnai unit is installed correctly, maximizing its efficiency and lifespan. Our technicians know the installation requirements and venting options for Rinnai models, so the upgrade goes smoothly.

Navien Tankless Water Heater Replacement in New Britain, CT
Navien tankless water heaters are popular for their condensing technology, delivering high efficiency and performance. When it is time for a Navien tankless water heater replacement in New Britain, CT, you can count on GLV Plumbing. We have broad experience with Navien's advanced systems, including their combination boiler and water heater units. Our installation process focuses on dialing in your new Navien's performance, so you benefit from its energy-saving features and reliable hot water output.
Gas Tankless Water Heater Replacement in New Britain
Many homes in New Britain rely on natural gas for water heating, and gas tankless units are a highly efficient option. Our gas tankless water heater replacement service includes thorough inspection of your existing gas lines, proper sizing of new gas lines if needed, and secure venting to the outdoors. We prioritize safety. All gas connections and combustion air requirements meet Connecticut and local codes, heading off potential hazards and maximizing efficiency.
Electric Tankless Water Heater Replacement in New Britain, CT
For properties without natural gas access or those looking for an all-electric solution, electric tankless water heaters are a viable choice. GLV Plumbing offers electric tankless water heater replacement services in New Britain, CT. This often involves close assessment of your home's electrical panel capacity, as these units require significant amperage. We make sure your new electric tankless unit is installed safely and effectively, providing on-demand hot water without the need for gas lines.
Emergency Tankless Replacement in New Britain, CT
A tankless heater that leaks from the heat exchanger or refuses to ignite can leave you with no hot water at all. We offer same-day emergency replacement for common models and can usually get a unit installed the day you call. If your exact model is not in stock, we can sometimes do a temporary repair to restore hot water while the replacement ships. We shut off gas and water to stop any leak on arrival. Call (860) 487-7330 any time your tankless quits.
Commercial Tankless Water Heater Replacement in New Britain, CT
Businesses in New Britain, CT often require robust hot water solutions, and tankless systems can provide the efficiency and capacity needed. We regularly replace commercial tankless units for restaurants, offices and other facilities with minimal disruption to your operations. Our plumbers are experienced with high-capacity models and complex plumbing layouts. We deliver a reliable hot water supply that meets your business's demands and health code requirements.
Emergency Tankless Water Heater Replacement in New Britain
A sudden tankless water heater failure can leave your New Britain home without hot water, which is a serious inconvenience. GLV Plumbing offers emergency tankless water heater replacement to restore your hot water fast. We prioritize urgent situations, working to diagnose the issue and, if replacement is necessary, get a new unit installed as soon as possible. Our goal is to minimize your downtime and get your home back to normal with reliable hot water.

Commercial Tankless Replacement in New Britain
Restaurants, salons and small offices often use multiple tankless units linked together on a rack system. When one or more units fail, we replace them and rebalance the cascade controls so they share the load. We check gas pressure under full demand, since commercial racks can draw more than 600,000 BTU combined. Scheduling is easy to work around, so we can work after hours and keep your business open. We also set up a descaling schedule suited to your water usage.
Tankless Water Heater Replacement Near Me in New Britain, CT
Local service matters because tankless problems often show up during the busiest part of your day. Our techs are close by and can diagnose whether a repair or replacement makes more sense. We back every replacement with clear labor coverage and register your manufacturer warranty for you.
When your tankless unit needs replacing, you want a reliable local company. We pride ourselves on being the go-to choice for tankless water heater replacement near me in New Britain, offering reliable solutions and upfront pricing to our neighbors throughout the community.
GLV Plumbing at a Glance
- Licensed and insured plumbers serving New Britain, CT
- Same-day appointments and 24/7 emergency response
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 946+ Connecticut customers
New Britain Map
New Britain Information
- Population
- 74,080
- Area codes
- 860/959/475
- Service area
- New Britain and communities within 40 miles
- Nearby
- West Hartford, Bristol, Hartford, Meriden
Replacing an old tankless water heater in New Britain, CT is important for a reliable hot water supply, especially with shifting seasonal demands and mineral content that can cut into unit efficiency and lifespan.
Expert Services
Trust our professionals for reliable GLV Plumbing solutions in New Britain, CT.
Our Specialized Plumbing Services in New Britain, CT
At GLV Plumbing, we provide a complete range of plumbing services across New Britain, CT. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Tankless Water Heater Replacement Process Works in New Britain, CT
We make sure every step, from first consultation to final installation, is handled with professionalism and attention to detail.
Request a Quote
Call us at (860) 487-7330 or fill out our online form to schedule an initial consultation. We will discuss your hot water needs and current system issues, and provide a detailed, upfront estimate.
On-Site Assessment
Our licensed plumber will visit your New Britain home to assess your existing water heating system, plumbing, gas or electrical connections and venting. This helps us recommend the best tankless model and make sure it is properly sized for your household.
Expert Installation
Once you approve the quote, our team will start the professional installation of your new tankless water heater. We safely remove the old unit, make any needed plumbing or gas line changes, and make sure the new system is correctly vented and fully operational.
Frequently Asked Questions About Tankless Water Heater Replacement in New Britain
A like-for-like gas tankless replacement usually runs $2,800 to $4,500 installed, depending on the brand and venting. Converting from a tank to tankless often costs $4,000 to $6,500 because of gas line and venting upgrades. We give you a written quote before any work starts.
Yes, you can certainly replace a traditional tank water heater with a tankless unit. This is a common upgrade for homeowners seeking better energy efficiency and endless hot water. However, it often requires changes to gas lines, venting and possibly electrical wiring, making professional installation essential for safety and performance.
Frequent error codes, fluctuating temperature, water leaking from inside the cabinet and a unit older than 15 years are common signs. If the heat exchanger is leaking, replacement is usually the better value.
Most manufacturers offer 10 to 15 years on the heat exchanger and about 5 years on parts for residential use. We add our own labor warranty and register the unit on your behalf.
New tankless water heaters usually come with a manufacturer's warranty on the heat exchanger, usually 10 to 15 years, and on parts, usually 3 to 5 years. GLV Plumbing also provides a warranty on our installation workmanship. We will go over all warranty details with you before your replacement so you understand your coverage.
Tankless water heater replacement is a complex job that involves gas lines, electrical wiring, water connections and venting. It is highly recommended to hire a licensed professional like GLV Plumbing due to the safety risks and potential for improper installation, which can lead to leaks, gas hazards or inefficient operation. Professionals also protect code compliance and warranty validity.
To prepare for tankless water heater replacement, make sure the area around your existing unit is clear and accessible for our plumbers. If possible, clear a path to the installation site and keep pets or children safely out of the work area. We will handle draining the old unit and all other technical preparations.
To protect the life and efficiency of your new tankless water heater, regular maintenance is key, especially in areas with hard water. This typically involves annual flushing to remove mineral buildup, checking the air filter, and inspecting gas and water connections. GLV Plumbing offers maintenance plans to help keep your unit in top condition.
What People Are Saying About Our Plumbing Experts?

Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Middletown, CT
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Hartford, CT
Emily R.
I called GLV Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · West Hartford, CT
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · New Britain, CT
James P.
Our commercial plumbing system had a leak under the sink, and GLV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Hartford, CT
Patricia H.
We had a slab leak that two other companies could not find. GLV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Hartford, CT













