Tankless Water Heater Replacement in Lexington, NE
For efficient tankless water heater replacement in Lexington, NE, trust FKV Plumbing. We make sure your home has consistent hot water.
- Expert Plumbers
- Reliable Hot Water
- Upfront Pricing
- Expert, Licensed Plumbers
Need a New Tankless Water Heater in Lexington, NE?
Contact us today for a free estimate and see the benefits of on-demand hot water.
Tankless Water Heater Replacement in Lexington, NE Built for Your Water
FKV Plumbing specializes in professional tankless water heater replacement for homes across Lexington, NE. We know that upgrading to a tankless system is a real investment. Our goal is to provide a seamless installation that maximizes your energy efficiency and hot water supply.
Our expertise includes:
- Safe gas and electric line connections for new units.
- Condensing unit installs with PVC venting and condensate neutralizers
- Gas line sizing and upsizing for 199,000 BTU tankless units

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

Customers
Why Choose FKV Plumbing for Tankless Water Heater Replacement in Lexington, NE?
A tankless heater is only as good as its gas supply and venting. We measure both before we quote, so your new unit fires at full output instead of shutting down on high demand.
- Right-Sized Units, We calculate gallons per minute and temperature rise for your fixtures instead of estimating from square footage.
- Longer Lifespan, Tankless water heaters usually last longer than conventional tank units, often up to 20 years with proper maintenance, offering better long-term value.
- Energy Savings, Tankless water heaters only heat water when you need it, which can significantly reduce energy use compared to traditional tank models, a big plus for Nebraska utility bills.
Citywide Coverage
From downtown lofts to suburban homes, our technicians know the plumbing layouts found throughout Lexington. We make sure every installation meets local codes and your standards.
Experienced Team
Our team installs tankless heaters every week and trains on manufacturer-specific setup, including recirculation programming and altitude settings. That experience shortens install time and cuts down on callbacks.
Safety-First Approach
We perform thorough safety checks after every tankless water heater replacement, including leak detection for gas lines and proper ventilation. You can rest assured your new system is safe and in line with Nebraska regulations.
Trusted Certified Lexington Plumbing Services Professionals
At FKV Plumbing, we take pride in providing certified plumbing services throughout Lexington, NE. 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 CertificationExpert Tankless Water Heater Replacement Services in Lexington, NE
Like-for-Like Tankless Swaps in Lexington
When your existing tankless has a cracked heat exchanger or a failed control board that is not worth repairing, a direct replacement is often the quickest fix. We match the new unit to your current gas line, venting type and mounting location whenever possible. Many Rinnai and Navien models share similar footprints, which keeps wall patching to a minimum. We also replace the old service valves if they are corroded or seized. Most like-for-like swaps are finished in four to six hours.

Emergency Tankless Replacement in Lexington, NE
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 often 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 (402) 258-1639 any time your tankless quits.
Exterior Mount Tankless Units in Lexington, NE
Many homes have tankless heaters mounted on an exterior wall with no venting at all, since the unit exhausts directly outside. These units face sun, rain and temperature swings, which can break down plastic covers and wiring over time. Draining outdoor faucets, insulating exposed lines and letting taps drip on very cold nights avoid most freeze damage. When we replace them, we check the pipe cover, freeze protection settings and the electrical connection. We can add a protective pipe cover kit to guard the water and gas lines. Exterior models are often the simplest swap when the gas line is already sized correctly.
Recirculation Tankless Upgrades in Lexington, NE
If you are tired of running the tap waiting for hot water, a tankless with a built-in recirculation pump can bring heat to the fixture in seconds. Navien A series and Rinnai units with internal pumps can use a dedicated return line or a crossover valve under the farthest sink. We program schedules so the pump runs only during your morning and evening peaks. That keeps gas use in check while saving thousands of gallons of wasted water a year. This upgrade is popular in long single-story ranch homes.
Condensing Tankless Replacement in Lexington
Condensing tankless units like the Navien NPE series or Rinnai Sensei reach efficiencies above 90 percent by recovering heat from exhaust gases. They vent through low-cost PVC and produce acidic condensate that must be neutralized and drained properly. We install a neutralizer cartridge and route the condensate line to an approved drain. Water heaters work hardest in winter, when incoming water is cold and families use more hot water. Condensing units still save gas because they work year-round on showers, laundry and dishes. We explain the cost difference so you can decide if the efficiency gain is worth the price.
Commercial Tankless Replacement in Lexington
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 flexible, so we can work after hours and keep your business open. We also set up a descaling schedule matched to your water usage.
Navien Tankless Water Heater Replacement in Lexington, NE
Navien tankless water heaters are popular for their condensing technology, offering high efficiency and performance. When it is time for a Navien tankless water heater replacement in Lexington, NE, you can count on FKV 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.

Tank to Tankless Conversions in Lexington, NE
Converting from a 40 or 50 gallon tank to tankless frees up floor space and ends standby heat loss in a garage or closet. The catch is that tankless units usually need a larger gas line, often three quarter inch or bigger, plus new venting. We check your meter size and pipe run before quoting so there are no surprises mid-job. We also cap or reroute the old flue and seal the roof penetration if it is no longer used. Expect a conversion to take a full day.
Tankless Water Heater Replacement Near Me in Lexington, NE
If you are searching for tankless water heater replacement near me in Lexington, NE, FKV Plumbing is your local expert. Our service area covers the whole region, so a professional plumber is always close by when you need a new, efficient hot water solution. We pride ourselves on quick response times and reliable service for all tankless installations.
If you are searching for tankless water heater replacement near me, you want a local plumber who understands Nebraska water and gas codes. FKV Plumbing serves Lexington with trucks stocked for tankless installs. We can often give you a firm quote after a short phone call and a few photos.
FKV Plumbing at a Glance
- Licensed and insured plumbers serving Lexington, NE
- 24/7 emergency service with same-day scheduling
- Clear written estimates, no hidden fees
- 4.8-star rated by 799+ Nebraska customers
Lexington Map
Lexington Information
- Population
- 10,816
- Area codes
- Local
- Service area
- Lexington and communities within 40 miles
- Nearby
- Kearney, North Platte, Hastings, Grand Island
Some rural wells also show elevated nitrates, which is why regular testing is recommended for any home on a private well. Scale builds inside tankless heat exchangers over time, so a correctly sized replacement with flush valves protects homes in Lexington, NE from early failures.
Expert Services
Trust our professionals for reliable FKV Plumbing solutions in Lexington, NE.
Our Specialized Plumbing Services in Lexington, NE
At FKV Plumbing, we provide a complete range of plumbing services across Lexington, NE. 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 Service Works in Lexington, NE
We keep the process easy to follow from the first call to the final combustion test.
Request a Quote
Call us at (402) 258-1639 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 clear, upfront estimate.
On-Site Assessment
Our licensed plumber will visit your Lexington home to look over 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 proceed with the professional installation of your new tankless water heater. We carefully 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 Lexington
The cost for tankless water heater replacement in Lexington, NE typically ranges from $3,000 to $6,000, depending on the unit's brand, capacity, fuel type (gas or electric) and any needed changes to gas lines, electrical or venting. This estimate includes both the new unit and professional installation. We will provide a detailed quote upfront after assessing your needs.
Yes, you can absolutely 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 important for safety and performance.
FKV Plumbing installs and replaces all major trusted brands of tankless water heaters. Our preferred brands include Rinnai, Navien, Noritz and Rheem, as they are known for their reliability, energy efficiency and long-term performance. We can also order and install other brands based on your preference or home requirements.
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 FKV Plumbing due to the safety risks and potential for improper installation, which can lead to leaks, gas hazards or inefficient operation. Professionals also ensure code compliance and warranty validity.
Yes, in most areas of Lexington and Nebraska, a permit is required for tankless water heater replacement, especially if it involves gas line changes or major electrical work. Our team at FKV Plumbing will handle all necessary permitting so your installation is fully compliant with local building codes and safety regulations.
Most jurisdictions in Nebraska require a permit for water heater replacement, especially when gas piping or venting changes. We take care of permits where they are required.
Often yes, especially when converting from a tank. Many tankless units need three quarter inch gas pipe and a meter that can handle 199,000 BTU on top of your furnace, range and dryer.
With proper installation and regular maintenance, a new tankless water heater typically lasts 20 to 25 years. This is much longer than traditional tank water heaters, which usually last 10 to 15 years. Regular flushing and descaling can help extend the life of your tankless unit, especially in areas with hard water.
What People Are Saying About Our Plumbing Experts?

James P.
Our commercial plumbing system had a leak under the sink, and FKV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Hastings, NE
Patricia H.
We had a slab leak that two other companies could not find. FKV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Kearney, NE
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Columbus, NE
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 · Norfolk, NE
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 · Norfolk, NE
Mark T.
When our office needed drain cleaning, FKV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Columbus, NE













