Tankless Water Heater Installation & Repair

A tankless water heater

Your Trusted Plumber for Tankless Water Heater Installation and Repair

When it comes to efficient and reliable hot water solutions, Trademark Plumbing specializes in tankless water heater installation and tankless water heater repair. With years of experience serving our local community, we pride ourselves on delivering high-quality plumbing services to keep your home’s water system running smoothly. Whether you want to upgrade to a tankless water heater or need fast repairs, we’ve got you covered.

Trademark Plumbing offer a full range of services to meet your water heating needs:

  • Tankless Water Heater Installation: Tankless water heaters provide endless hot water, improve energy efficiency, and take up less space than traditional units. Our professional plumbers will assess your home’s specific requirements and install the perfect system for your household.
  • Tankless Water Heater Repair: Is your tankless water heater failing to provide hot water, leaking, or showing error codes? Our expert technicians are equipped to handle all kinds of repairs, from minor fixes to major system overhauls, ensuring your water heater operates at peak performance.

No matter the issue, our licensed plumbers are dedicated to restoring your hot water quickly and efficiently. Call us today at 772-292-7687 for fast and reliable service.

Why Choose Us?

Here are a few reasons why Trademark Plumbing should be your first choice for tankless water heater installation and tankless water heater repair in Port St. Lucie, FL:

  • Licensed and Experienced: Our family-owned business has been providing expert plumbing services for years, and we are fully licensed to ensure every job is done to the highest standard.
  • Fast and Reliable: We understand the importance of hot water in your daily life, which is why we offer prompt service and quick repairs to minimize any disruption to your routine.
  • Customer Satisfaction: Our goal is to provide you with exceptional service, honest recommendations, and long-lasting solutions. We take pride in our work and stand by the quality of our services.

When you need dependable tankless water heater service, get in touch with Trademark Plumbing for expert installation and repair.

Contact Us

If you’re ready to upgrade to a tankless water heater or need reliable repairs, don’t hesitate to reach out. Our licensed plumbers are available to assist with all your tankless water heater installation and tankless water heater repair in Port St. Lucie, FL. Contact us today at 772-292-7687 to schedule your service and experience the benefits of a more efficient water heating system!

Most Recent Pins (61)

TONY RICE
A plumber in Port St. Lucie, Florida replaced a leaking Rinnai RE180e tankless water heater with a new RE199e model. The technician connected water, gas, and power lines, tested the system thoroughly, and confirmed zero leaks or malfunctions, ensuring efficient home water heating.
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Rinnai RE199e tankless water heater installation
TONY RICE
A plumber in Port St. Lucie, Florida replaced a faulty gas regulator on the main gas line from the meter. The gas company verified there were no leaks. The plumber restarted the tankless water heater and tested all gas appliances in the home to confirm proper operation.
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34 gas regulator on main gas line installed
TONY RICE
A plumber in Vero Beach, Florida diagnosed a tankless water heater with internal corrosion and a leak. The unit, only two years old, will receive a new heat exchanger from Rinnai under warranty. The technician will return to install the new part once it arrives.
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Tankless water heater exterior with plant nearby
TONY RICE
A technician completed tankless water heater maintenance in Vero Beach, Florida. The inspection confirmed all components operated correctly, with no problems reported. Regular maintenance helps ensure efficiency and reduce the risk of unexpected issues.
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Tankless water heater with connected piping system
TONY RICE
A technician in Port St. Lucie, Florida, diagnosed a tankless water heater and found it leaking onto the blower. The unit was under warranty, and Rinnai is sending a new heat exchanger and blower for replacement. The technician will return to complete the repair once the parts arrive.
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Tankless water heater with diagnostic display outdoors
TONY RICE
Trademark Plumbing discussed recirculating pump options for a Rinnai tankless water heater in Port St. Lucie, Florida. The customer approved a specific model. The team ordered the pump and scheduled installation after it arrives on Friday.
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Rinnai tankless water heater mounted outdoors
TONY RICE
A technician in Port St. Lucie, Florida flushed a tankless water heater and completed an annual maintenance check. The inspection confirmed the unit is operating correctly with no issues found. Regular preventive service like this helps keep systems functioning efficiently and extends equipment lifespan.
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Tankless water heater with piping and outdoor unit
TONY RICE
A technician in Port St. Lucie, Florida, installed a gas regulator on a tankless water heater after finding high gas line pressure. The repair brought gas pressure within the proper range. The unit was tested and fired up successfully with no leaks detected.
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Tankless water heater gas regulator and piping setup
TONY RICE
A plumber in Port St. Lucie, Florida completed annual maintenance on a tankless water heater, replaced a non-working garbage disposal, and installed a new shower head and handheld unit in a master bathroom. The work included drilling into tile and testing all systems for proper function. No leaks or issues were found.
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Shower heads and handheld shower bar installation in tiled wall
Shower heads and handheld shower bar installation in tiled wallGarbage disposal installed under kitchen sinkShower heads and handheld bar with tiled wall installationTankless water heater with gas and water piping
TONY RICE
A technician in Stuart, Florida diagnosed and repaired two Navien tankless water heaters. The gas supply was restored, and both units were restarted. One unit required cleaning of the igniter and flame rod before resuming normal operation. Final testing confirmed both systems functioned correctly with no further issues.
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Navien tankless water heater with piping and valve
TONY RICE
Trademark Plumbing replaced a corroded line in a tankless water heater under warranty in Jupiter, Florida. The service ensured the heater operated safely and efficiently by removing damaged piping. This work helped restore proper function without additional cost to the homeowner.
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Tankless water heater copper line replacement under warranty
TONY RICE
In Palm Beach Gardens, Florida, TRADEMARK PLUMBING replaced the hot side check valve on a tankless water heater. Post-repair, the system was pressure tested with no leaks detected, ensuring efficient water heating and preventing backflow issues.
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Hot side check valve on tankless water heater piping
TONY RICE
A technician completed annual maintenance on a Rinnai tankless water heater in Port St. Lucie, Florida. Regular service helps the unit run efficiently and prevents unexpected issues. This check-in confirms the system received scheduled attention to ensure continued performance.
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Rinnai tankless water heater mounted outdoors
TONY RICE
Trademark Plumbing completed annual maintenance on three Rinnai tankless water heaters in Jupiter, Florida. Technicians inspected each unit, found corrosion in one interior pipe, and confirmed warranty coverage. The replacement part is en route. Remaining units are functioning properly with no additional issues found.
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Rinnai tankless water heater with corroded interior pipe
Rinnai tankless water heater with corroded interior pipeRinnai tankless water heater with corroded pipeRinnai tankless water heaters with corrosion issue
TONY RICE
TRADEMARK PLUMBING repaired a Navien tankless water heater in Jupiter, Florida. The team replaced a faulty recirculating pump and incorrect crossover valve, repiped from CPVC to copper, installed a shut-off valve, and sealed a leak in the gas line. All systems were tested and confirmed to be leak-free and fully functional.
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Tankless water heater copper and gas line piping
TONY RICE
TRADEMARK PLUMBING visited a residence in Jupiter, Florida to plan the installation of a recirculating pump and re-piping beneath one of the tankless water heaters. The technician presented options with an estimate, and the customer approved the work. The technician scheduled a return visit based on the customer’s availability.
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TONY RICE
A plumber in Stuart, Florida installed a spring check valve on the left side of a tankless water heater. They restored water, power, and gas connections, then tested the system. The unit now operates normally without false starts or leaks.
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Spring check valve on tankless water heater piping
TONY RICE
A technician in Port St. Lucie, Florida performed routine maintenance on a tankless water heater. They flushed the unit to clear mineral buildup, inspected gas lines for leaks, and tested temperature settings. These steps help maintain system safety, improve efficiency, and extend the unit’s lifespan.
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Tankless water heater unit on exterior wall
TONY RICE
A technician in Stuart, Florida performed maintenance on two tankless water heaters. The service included shutting off water and power, inspecting for leaks, flushing mineral buildup, cleaning filters, and testing both units to ensure proper operation.
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Tankless water heater with connected pipes outdoors
TONY RICE
A plumber in Port St. Lucie, Florida installed servicing ports on a tankless water heater to improve access for maintenance. The technician also flushed and descaled the unit, checked for issues, and adjusted settings to support reliable hot water and long-term performance.
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Tankless water heater with newly installed servicing ports
TONY RICE
A technician in West Palm Beach, Florida replaced a faulty tankless water heater. The job included installing a new unit, re-piping the water system, and adding service ports for future maintenance. The system was tested after installation to ensure proper performance.
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Tankless water heater with copper piping and valves
TONY RICE
A technician in Vero Beach, Florida inspected a water heater showing intermittent hot water issues. The service included checking gas pressure, cleaning igniters, and identifying rust on inlet and outlet lines. Based on findings and manufacturer guidance, the technician recommended replacing the regulator.
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Rinnai tankless water heater with rusted inlet pipes
TONY RICE
Trademark Plumbing replaced a customer's gas regulator in Port St. Lucie, Florida. This service ensures correct gas pressure and supports the safe function of gas appliances. Proper gas regulator installation prevents leaks and protects home systems.
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Gas regulator valve with attached clear tubing
TONY RICE
A plumber in Port St. Lucie, Florida performed a diagnostic test on a tankless water heater. The test included checking for leaks, reading error messages, verifying water flow and temperature, and inspecting vents. The technician recommended replacing the 20-year-old unit due to unavailable replacement parts.
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TONY RICE
Trademark Plumbing completed routine tankless water heater maintenance in Port St. Lucie, Florida. The technician flushed the system with descaling solution, cleaned the inlet filter, inspected the heat exchanger, and checked for leaks. The unit’s ignition, temperature, and flow rate were tested. The system passed all checks and operates within manufacturer standards.
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TONY RICE
A plumber in Port St. Lucie, Florida evaluated an existing water heater and prepared an estimate to install a new tankless gas water heater. The estimate included equipment, labor, gas line adjustments, venting, and fittings. The customer approved the work and ordered the unit. Installation will follow once the unit is delivered.
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TONY RICE
A plumber in Port St. Lucie, Florida assessed an existing water heater and provided an estimate for a tankless gas water heater installation. The estimate covered equipment, labor, venting, gas line changes, and fittings. The customer approved the work, ordered the unit, and scheduled installation for a future visit.
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TONY RICE
A plumber in Port St. Lucie, Florida, completed routine maintenance on a Rinnai tankless water heater. The service included descaling the heat exchanger, cleaning the inlet filter, and checking for leaks or faults. The technician identified a failing gas regulator and scheduled a return visit to replace it.
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TONY RICE
Trademark Plumbing replaced a damaged front burner panel, flame rods, and igniter on a water heater in Port St. Lucie, Florida. They inspected all burners for debris, installed warranty parts, and restored water, power, and gas. The system was tested and confirmed to be leak-free and fully operational.
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TONY RICE
A plumber in Port St. Lucie, Florida flushed a tankless water heater, inspected its sensors, and cleared corrosion from the flow sensor. They repaired a low-flow issue in the master shower that prevented proper heater activation. After testing, all water flow rates and temperatures across the home now operate correctly.
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TONY RICE
TRADEMARK PLUMBING flushed a Rinnai tankless water heater and cleaned internal screens in Port St. Lucie, Florida. The team installed a new customer-supplied laundry faucet, drilled a sink hole, and restored power, gas, and water. Final testing showed no leaks or issues.
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TONY RICE
TRADEMARK PLUMBING consulted on replacing an electric tank water heater with a tankless model in Fort Pierce, Florida. The project requires an electrical upgrade before installation. The homeowner will complete the upgrade with an electrician before proceeding with the new system.
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TONY RICE
Trademark Plumbing replaced a Rinnai PC board on a tankless water heater in Palm Beach Gardens, Florida. This service restored full heating functionality and improved system performance. The technician ensured all components were correctly installed and tested for safe operation.
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TONY RICE
Trademark Plumbing diagnosed a faulty PC board in a Rinnai tankless water heater in Port St. Lucie, Florida. The manufacturer is sending a replacement under warranty. The team will install the new part once it arrives to restore proper operation.
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TONY RICE
A plumber in Port St. Lucie, Florida, diagnosed a leaking Rinnai tankless water heater that had stopped producing hot water. The inspection confirmed the heat exchanger had failed. The manufacturer will provide a replacement part under warranty for installation.
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TONY RICE
Trademark Plumbing restored a non-functioning Rinnai tankless water heater in Port St. Lucie, Florida. Technicians identified a gas supply issue, activated the backup generator, and confirmed proper unit operation.
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TONY RICE
A plumber in Palm Beach Gardens, Florida, diagnosed a hot water issue caused by a faulty check valve in a Rinnai tankless water heater. The team flushed the unit, replaced the damaged valve, and restored consistent hot water supply throughout the home.
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TONY RICE
A homeowner in Fort Pierce, FL, had a tankless water heater that would not turn on. After troubleshooting, the unit was determined to be too old for repair and required replacement. If your tankless water heater is failing, a professional plumber can assess the issue and recommend the best solution.
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TONY RICE
Trademark Plumbing provided a service in Palm Beach Gardens, Florida. The project involved resetting a Rinnai controller and reconfiguring the recirculating line timer to ensure proper system functionality.
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TONY RICE
Trademark Plumbing completed annual maintenance for a Rinnai tankless water heater in Palm Beach Gardens, Florida. Services included flushing the system, inspecting screens, gas pressure, and check valves, confirming proper operation, and registering the unit with the manufacturer.
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TONY RICE
Trademark Plumbing provided diagnostic and troubleshooting services for a Rinnai tankless water heater in Port St. Lucie, Florida. The error code was cleared, and the unit was tested to ensure proper functionality. Hot water was restored, and the system is now fully operational.
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TONY RICE
Tankless water heater maintenance completed in Port St. Lucie, FL. Services included flushing the unit, running water to ensure functionality, and restoring water and power. Confirmed no leaks or issues for reliable system performance.
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TONY RICE
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TONY RICE
Trademark Plumbing provided professional tankless water heater maintenance in Palm Beach Gardens, FL. Services included inspecting a Rinnai tankless unit, troubleshooting with tech support, replacing a faulty check valve on the recirculating line, and testing for functionality. All systems were verified to be leak-free and operational.
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TONY RICE
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TONY RICE
Trademark Plumbing in West Palm Beach, Florida, installed customer-supplied components in an electric tankless water heater. Work included adding servicing ports, resolving shower pressure issues, flushing water lines, and repairing a master bathroom shower. Thorough testing confirmed the system operates with no leaks or issues, delivering reliable hot water.
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TONY RICE
Trademark Plumbing provided diagnostics and repairs for a Rinnai tankless water heater in Port St. Lucie, Florida. The service involved checking gas pressure, igniters, and flow rate, identifying faulty controller wiring, and ensuring all systems connected to the unit operated correctly.
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TONY RICE
Trademark Plumbing completed a tankless water heater service in Port St. Lucie, FL. The team replaced an old Rinnai re160i unit with a new Rinnai re199i model, ensuring proper gas and water connections for optimal functionality.
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TONY RICE
Trademark Plumbing provided water heater replacement services in Hobe Sound, Florida. The team removed a 50-gallon gas water heater and installed a new Navien tankless gas water heater, ensuring proper gas and water flow with no leaks.
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TONY RICE
Trademark Plumbing provided an estimate for replacing a malfunctioning gas water heater with a Navien tankless water heater in Stuart, Florida (27.10930180, -80.17726010).
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TONY RICE
A technician diagnosed and resolved a Rinnai tankless water heater issue in Jupiter, FL. The unit displayed error code 11 and had no hot water. The technician reset the system, flushed the drains, inspected the vent screen, and verified gas pressure. After completing these steps, the unit was restored to proper operation.
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TONY RICE
Replaced an old water heater with a new Navien tankless water heater in Palm Beach Gardens, FL. Connected gas and water, ensuring proper operation. The new system provides efficient hot water with improved energy savings.
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TONY RICE
TRADEMARK PLUMBING will install a new LP tankless water heater in Macon, Georgia. The customer is switching from an electric tank model and will proceed with installation after the gas company completes the gas line connection. This project supports improved energy efficiency and hot water access.
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TONY RICE
Trademark Plumbing removed an older Navien tankless water heater and installed a customer-supplied Rinnai tankless unit. They connected the gas and water lines and confirmed proper operation. This service was completed in Palm Beach Gardens, Florida.
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TONY RICE
A plumber in Port St. Lucie, Florida, diagnosed a non-working Stiebel Eltron Tempra 21 tankless water heater. The technician conducted a system check to identify the issue preventing the unit from turning on.
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TONY RICE
A plumber replaced a Navien tankless water heater with a new Rinnai model in Royal Palm Beach, Florida. The service involved disconnecting the old unit and installing the upgraded system to restore reliable hot water function.
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TONY RICE
Trademark Plumbing removed a damaged Navien tankless water heater and scheduled installation of a new Rinnai unit for a customer in Port St. Lucie, Florida. The project involved replacing the nonfunctional heater to restore hot water access.
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TONY RICE
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TONY RICE
TRADEMARK PLUMBING provided an estimate for a Rinnai tankless water heater in Port St. Lucie, Florida. The service included a site visit to assess installation needs and determine equipment compatibility. Tankless systems offer on-demand water heating and require specific sizing and venting considerations during the planning process.
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TONY RICE
A plumber in Port St. Lucie, Florida, diagnosed a malfunctioning tankless water heater. After running tests with Rinnai, they found the fan motor needed replacement. The inspection identified the specific issue preventing proper operation, helping the homeowner understand the needed repair.
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TONY RICE
Trademark Plumbing replaced a damaged gas line and regulator in Stuart, Florida. Technicians removed a galvanized pipe, installed a new poly gas line with risers, added a union and drip leg, tested for leaks, and ensured the tankless water heater operated correctly. All work met local code requirements and included protective painting and trace wire installation.
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Most Recent Reviews (1)

Oct 17, 2025
Excellent work! Would recommend Trademark Plumbing without hesitation; Trademark Plumbing is my go to plumbing service.
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marva harris
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