Tankless Water Heater Repair in Manhattan, KS
Hard water and tankless heaters do not mix well without care. Our plumbers in Manhattan, KS descale, diagnose and repair on-demand units fast.
- Fast Tankless Diagnostics
- Long-Term Solutions
- Expert Local Plumbers
- All Major Tankless Brands
Need Tankless Water Heater Repair in Manhattan, KS?
Don't let a cold shower ruin your day, contact KRV Plumbing for professional tankless water heater repair.
Professional Tankless Water Heater Repair in Manhattan, KS
KRV Plumbing specializes in complete tankless water heater repair for homes and businesses throughout Manhattan, KS. We understand the demands of on-demand hot water systems and are ready to handle all common issues, from ignition failures to flow sensor problems.
Our expertise includes:
- Troubleshooting ignition and gas supply problems.
- Diagnosing error codes and component failures
- Heat exchanger descaling with circulation pump and service valves

Additional Plumbing Repair Services in Manhattan, KS
We offer expert plumbing repair services across Manhattan, KS to stop leaks, clear blockages, and keep every fixture working the way it should.

Customers
Why Choose KRV Plumbing for Tankless Water Heater Repair in Manhattan, KS?
Tankless heaters are precise machines, and a small sensor fault can shut the whole unit down. We follow manufacturer diagnostic procedures so we fix the cause the first visit.
- Scale Experts, We descale completely and recommend softening or scale filters suited to your water.
- Full System Check, Gas pressure, venting, filters and recirculation settings are checked together.
- Certified Pros, Our plumbers are factory-trained and certified to work on all major tankless water heater brands, providing precise diagnostics and repairs.
Citywide Coverage
KRV Plumbing proudly serves every neighborhood in Manhattan, providing prompt and reliable tankless water heater repair services. No matter where you are located within Manhattan, our skilled technicians are just a call away, ready to restore your hot water.
Experienced Team
Our team of plumbers has deep expertise in tankless water heater systems, having handled countless repairs across various models and manufacturers. They undergo continuous training to stay current with the latest tankless technologies and repair techniques.
Safety-First Approach
Safety is the top priority in all our tankless water heater repair services, especially when dealing with gas lines and high-temperature components.
Trusted Certified Manhattan Plumbing Services Professionals
At KRV Plumbing, we take pride in providing certified plumbing services throughout Manhattan, KS. Backed by leading 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 CertificationTrusted Tankless Water Heater Repair Services in Manhattan, KS
Rinnai Tankless Water Heater Repair in Manhattan, KS
Rinnai is a popular tankless brand, and its units can face challenges such as scaling from hard water or issues with their flame rod. Our technicians in Manhattan, KS are adept at Rinnai tankless water heater repair, focusing on descaling services, fan motor replacements and resolving issues with gas valve assemblies. We make sure your Rinnai system continues to provide reliable, on-demand hot water, following manufacturer specifications.

Tankless Repair vs Replacement Cost in Manhattan, KS
Descaling service usually costs $175 to $350, and sensor or igniter repairs run $250 to $600. Heat exchanger replacement can cost $800 to $1,500 or more unless covered by warranty. A new tankless unit installed typically ranges from $3,000 to $5,500. We compare these costs against the age and condition of your unit.
Gas Tankless Water Heater Repair in Manhattan
Gas tankless water heaters require precise gas pressure and proper ventilation for safe operation. Issues can range from gas valve failures to carbon monoxide sensor errors. Our certified technicians in Manhattan perform thorough diagnostics on gas lines, igniters and exhaust systems, so your unit is both functional and safe.
Navien Tankless Water Heater Repair in Manhattan
Navien units are known for their advanced condensing technology but can sometimes experience issues with their circulation pump or exhaust systems. KRV Plumbing provides dedicated Navien tankless water heater repair in Manhattan, addressing common problems like ignition failures or condensate drain blockages. Our team is familiar with Navien's parts and troubleshooting protocols, delivering a precise and effective repair that maintains your unit's high efficiency.
Emergency Tankless Repair in Manhattan
A tankless unit that leaks internally or shows a fault you cannot clear needs quick attention. We prioritize no-hot-water calls and arrive with common sensors, igniters and filters. If a major component like a heat exchanger has failed, we check warranty coverage and order the part. We can often restore partial operation in the meantime.
Tankless Descaling and Flushing in Manhattan
Hard water leaves calcium and magnesium scale inside the heat exchanger, restricting flow and causing overheating. Many units warn of this with scale codes, such as the LC code on Rinnai models. We connect a circulation pump to the service valves and run a descaling solution through the exchanger. Annual descaling is wise for most homes on hard water.
Pilot Light & Ignition Repair in Manhattan, KS
For gas-fired tankless water heaters, a malfunctioning ignition system can completely stop hot water production. Our team in Manhattan, KS diagnoses issues with igniters, flame sensors and gas valves. We confirm proper gas pressure and ventilation are maintained for safe and efficient operation. Timely repair of these components prevents hazardous gas problems and restores your unit's ability to heat water on demand.

Condensing Tankless Repair in Manhattan, KS
Condensing tankless heaters, such as many Navien models, extract extra heat from exhaust and produce condensate. Clogged condensate traps, failed neutralizers and blocked drains can shut the unit down. We clean the trap, replace the neutralizer media and confirm proper drainage. PVC venting is also inspected for slope and sagging.
Tankless Water Heater Repair Near Me in Manhattan, KS
Searching for tankless water heater repair near me often turns up companies that only replace tanks. KRV Plumbing repairs tankless units with the diagnostic skills they require. We work through error codes step by step to find the real cause.
We are familiar with the plumbing infrastructure and water conditions throughout Manhattan, making us well suited to provide effective and long-lasting tankless water heater repair solutions right in your neighborhood.
KRV Plumbing at a Glance
- Licensed and insured plumbers serving Manhattan, KS
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.9-star rated by 910+ Kansas customers
Manhattan Map
Manhattan Information
- Population
- 53,682
- Area codes
- 785/913/620
- Service area
- Manhattan and communities within 40 miles
- Nearby
- Junction City, Topeka, Emporia, Salina
Private wells serve many rural homes, and minerals, sediment, and nitrate levels make periodic well testing a good habit. For homes in Manhattan, KS, timely tankless water heater repair is key for fighting mineral buildup and keeping hot water consistent in every season.
Expert Services
Trust our professionals for reliable KRV Plumbing solutions in Manhattan, KS.
Our Specialized Plumbing Services in Manhattan, KS
At KRV Plumbing, we provide a complete range of plumbing services across Manhattan, KS. 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 Repair Process Works in Manhattan, KS
From initial contact to final repair, we provide a smooth and professional experience for every tankless water heater repair in Manhattan, KS.
Request a Quote
Contact us at (316) 229-8459 to describe your tankless water heater issue. We will schedule a convenient time for a technician to visit your Manhattan home and provide an upfront quote.
Diagnosis
Our trained technician arrives on time, performs a thorough diagnostic check of your tankless unit and explains the problem in plain language.
Expert Repair
We complete the necessary repairs using quality parts, making sure your tankless water heater is functioning correctly and safely before we leave.
Frequently Asked Questions About Tankless Water Heater Repair in Manhattan
Most tankless repairs cost between $175 and $600, depending on the part. Descaling service often runs $175 to $350, while heat exchanger replacement can exceed $800 if not under warranty. We quote before any work begins.
We service Navien, Rinnai, Noritz, Rheem, Takagi, A.O. Smith, Bosch, Stiebel Eltron and EcoSmart units, among others.
Typical signs include inconsistent hot water, a sudden loss of hot water, strange noises like banging or popping, a rotten egg smell or error codes displayed on the unit. Any of these symptoms call for a professional inspection.
Yes, our technicians are trained and experienced in repairing all major tankless water heater brands, including Rinnai, Navien, Noritz, Rheem, Bosch, A.O. Smith and more. We carry a wide selection of common parts for various models.
Minor tankless water heater repairs, such as replacing a sensor or igniter, typically do not require a permit in Manhattan. Major component replacements, changes to the gas or water lines, or replacing the entire unit may require a plumbing permit to ensure code compliance.
Some homeowners do with a kit if service valves are installed. Diagnosing error codes and replacing sensors, igniters or gas components should be left to a pro.
Frequent causes of failure include mineral buildup from hard water, ignition problems, faulty flow sensors, clogged air filters, exhaust venting issues and electrical component failures. Regular maintenance, including descaling, can prevent most of these problems.
Many tankless heat exchangers carry long warranties, while other parts usually have shorter coverage. Warranties may require proof of maintenance, which we document.
What People Are Saying About Our Plumbing Experts?

Patricia H.
We had a slab leak that two other companies could not find. KRV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Salina, KS
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 · Junction City, KS
James P.
Our commercial plumbing system had a leak under the sink, and KRV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Emporia, KS
Mark T.
When our office needed drain cleaning, KRV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Salina, KS
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 · Junction City, KS
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 · Lawrence, KS













