Tankless Water Heater Replacement in Perris, CA
Switch to endless hot water with a new tankless water heater in Perris, CA. FKM Plumbing provides expert replacement services.
- Licensed Gas Line Technicians
- Top Brands Available
- Dependable Hot Water
- Upfront Pricing
Get Your New Tankless Water Heater Installed in Perris, CA.
Contact FKM Plumbing today for a free estimate on your tankless water heater replacement.
Your Go-To for Tankless Water Heater Replacement in Perris, CA
FKM Plumbing replaces failing tankless water heaters with condensing and non-condensing units sized to your home's real flow demand. We check gas supply, venting clearances and water hardness before suggesting a model. That way the new heater is not starved for fuel or clogged by scale.
Our expertise includes:
- Seamless integration with existing plumbing and gas lines.
- Accurate sizing and model selection for your home.
- Gas line sizing and upsizing for 199,000 BTU tankless units

Additional Plumbing Replacement Services in Perris, CA
When repairs are no longer enough, our replacement services in Perris, CA deliver modern, efficient equipment installed right.

Customers
Why Choose FKM Plumbing for Tankless Water Heater Replacement in Perris, CA?
We understand the plumbing challenges homes face in Southern California and are ready to handle any complexities involved in swapping your old tankless unit for a new, reliable one.
- Scale Protection, Every install includes isolation valves so the heat exchanger can be descaled without cutting into the pipes.
- Clean Venting, We route venting to meet manufacturer clearances from windows, doors and roof edges.
- Increased Lifespan, Modern tankless water heaters often last much longer than conventional tank models, offering a better long-term investment.
Citywide Coverage
From downtown lofts to suburban homes, our technicians know the plumbing layouts found throughout Perris. We make sure every installation meets local codes and your standards.
Experienced Team
Each technician at FKM Plumbing is a specialist in tankless technology, so your replacement is done accurately and efficiently. We focus on details like proper gas line sizing, venting and electrical connections for optimal performance and safety.
Safety-First Approach
Safety is our top priority for every tankless water heater replacement. We adhere strictly to all local Southern California plumbing and gas codes, so your new unit is installed securely and runs without risk.
Trusted Certified Perris Plumbing Services Professionals
At FKM Plumbing, we take pride in providing certified plumbing services throughout Perris, CA. 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.
Call Us Now
PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationDependable Tankless Water Heater Replacement Services in Perris, CA
Navien Tankless Water Heater Replacement in Perris, CA
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 Perris, CA, you can count on FKM 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.

Residential Tankless Water Heater Replacement in Perris
For homeowners in Perris, upgrading to a tankless water heater offers real benefits like endless hot water and reduced energy use. We assess your household's hot water demand to recommend the right sized unit, so you get optimal performance. Our team handles everything from safely disconnecting your old unit to installing the new tankless system. That includes any needed gas and water line adjustments and venting changes to meet current codes.
Tankless vs. Tank Water Heater Conversion in Perris, CA
Thinking about converting from a traditional tank water heater to a tankless system in your Perris, CA home? This is a common and beneficial upgrade, but it requires specialized expertise. We handle the entire conversion, which can involve rerouting gas lines, upgrading electrical service, modifying water lines and installing new venting. Our team makes for a smooth transition, so you can enjoy the long-term benefits of a modern, efficient tankless system.
Like-for-Like Tankless Swaps in Perris
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 stuck. Most like-for-like swaps are finished in four to six hours.
Electric Tankless Water Heater Replacement in Perris, CA
For properties without natural gas access or those looking for an all-electric solution, electric tankless water heaters are a viable choice. FKM Plumbing offers electric tankless water heater replacement services in Perris, CA. This often involves close assessment of your home's electrical panel capacity, as these units require substantial 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.
Tankless vs. Tank Water Heater Replacement Cost in Perris, CA
When considering tankless water heater replacement in Perris, CA, it is natural to compare costs. While the initial installation of a tankless unit can be higher than a traditional tank, the long-term energy savings and longer lifespan often make it the more economical choice. We provide honest, upfront pricing for both options. That helps you make an informed decision based on your budget and hot water needs, with no surprises.
Emergency Tankless Replacement in Perris, CA
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 (213) 871-0701 any time your tankless quits.

Emergency Tankless Water Heater Replacement in Perris
A sudden tankless water heater failure can leave your Perris home without hot water, which is a serious inconvenience. FKM Plumbing offers emergency tankless water heater replacement to restore your hot water fast. We put a priority on 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 cut down your downtime and get your home back to normal with reliable hot water.
Tankless Water Heater Replacement Near Me in Perris, CA
Do not compromise on your home's hot water supply. For dependable tankless water heater replacement near me in Perris, choose FKM Plumbing. We provide upfront estimates, transparent communication and expert workmanship, making your upgrade to endless hot water a simple and stress-free experience.
When your tankless unit needs replacing, you want a trusted local company. We pride ourselves on being the go-to choice for tankless water heater replacement near me in Perris, offering reliable solutions and transparent pricing to our neighbors throughout the community.
FKM Plumbing at a Glance
- Fully licensed plumbing team covering Perris, CA
- 24/7 emergency service with same-day scheduling
- Clear written estimates, no hidden fees
- 4.8-star rated by 754+ Southern California customers
Perris Map
Perris Information
- Population
- 80,603
- Area codes
- 951/760/909
- Service area
- Perris and communities within 40 miles
- Nearby
- Menifee, Moreno Valley, Lake Elsinore, Hemet
Replacing your tankless water heater in Perris, CA is a smart investment, especially with seasonal temperature swings and the need for efficient hot water in modern homes.
Expert Services
Trust our professionals for reliable FKM Plumbing solutions in Perris, CA.
Our Specialized Plumbing Services in Perris, CA
At FKM Plumbing, we provide a complete range of plumbing services across Perris, CA. 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 Perris, CA
We follow a proven method for every tankless water heater replacement in Perris, from initial assessment to final testing, for a quality installation.
Request a Quote
Call us at (213) 871-0701 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 Perris 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 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 Perris
The cost for tankless water heater replacement in Perris, CA 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 always provide a detailed quote upfront after assessing your needs.
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 jurisdictions in Southern California require a permit for water heater replacement, especially when gas piping or venting changes. We handle permits where they are required.
DIY tankless water heater replacement is generally not recommended due to the complexity of gas lines, high-voltage electricity, water connections and venting requirements. Improper installation can lead to serious gas leaks, carbon monoxide poisoning, water damage or electrical hazards. It is best to hire a licensed and experienced plumber like FKM Plumbing.
Tankless water heater replacement is a complex job that involves gas lines, electrical wiring, water connections and venting. It is strongly recommended to hire a licensed professional like FKM 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.
New tankless water heaters usually come with a manufacturer's warranty, which usually covers the heat exchanger for 10 to 15 years and parts for 3 to 5 years. FKM Plumbing also provides a labor warranty on our installation work for your peace of mind. We will go over warranty details for your chosen unit during your consultation.
A direct swap typically takes four to six hours. A tank to tankless conversion with new gas and venting usually takes a full day.
We install Navien, Rinnai, Noritz, Takagi and Rheem tankless heaters. Each has its own strengths, and we recommend based on your flow needs, venting options and budget.
What People Are Saying About Our Plumbing Experts?

Emily R.
I called FKM 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 · Murrieta, CA
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 · Lake Elsinore, CA
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 · Perris, CA
Mark T.
When our office needed drain cleaning, FKM Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Moreno Valley, CA
Patricia H.
We had a slab leak that two other companies could not find. FKM Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Hemet, CA
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 · Lake Elsinore, CA













