Tankless Water Heater Repair in Lebanon, NH

Reliable Tankless Water Heater Repair Services in Lebanon, NH

Recirculation Pump Repair in Lebanon

Many tankless systems use internal or external recirculation to deliver hot water more quickly. Pump failures, check valve problems or wrong schedule settings can cause long waits or lukewarm water. We test the pump, check valves and controls and set the schedule to match your routine. A properly tuned system saves both water and gas.

Navien Tankless Water Heater Repair in Lebanon

Navien units are known for their advanced condensing technology but can sometimes develop issues with their circulation pump or exhaust systems. FVR Plumbing provides dedicated Navien tankless water heater repair in Lebanon, addressing common problems like ignition failures or condensate drain blockages. Our team is familiar with Navien's parts and troubleshooting protocols, ensuring a precise and effective repair that maintains your unit's high efficiency.

Tankless Water Heater Descaling Service in Lebanon

Hard water can lead to mineral buildup, or scaling, in your tankless water heater's heat exchanger, reducing efficiency and eventually causing breakdowns. Water in much of New Hampshire is soft and often slightly acidic, which can gradually wear down copper pipe and cause pinhole leaks. Our descaling service in Lebanon involves flushing the unit with a specialized cleaning solution to dissolve these mineral deposits. This preventative maintenance and repair step is crucial for extending the lifespan of your tankless heater and keeping it at peak performance.

Ignition Failure Repair in Lebanon, NH

If your tankless unit will not fire, the cause may be a dirty flame rod, a bad igniter, low gas pressure or a blocked intake. We test each component and measure gas pressure at the inlet. Undersized gas lines are a frequent hidden cause when a tankless unit replaced a tank. We correct the issue so the unit lights every time.

Tankless Repair vs Replacement Cost in Lebanon, NH

Descaling service typically 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.

Pilot Light & Ignition Repair in Lebanon, NH

For gas-fired tankless water heaters, a faulty ignition system can completely stop hot water production. Our team in Lebanon, NH diagnoses issues with igniters, flame sensors and gas valves. We ensure 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.

No Hot Water Tankless Repair in Lebanon

When your tankless unit fails to produce hot water, it is often due to issues with the ignition, gas supply or a clogged heat exchanger. Our technicians in Lebanon will thoroughly diagnose the root cause, whether it is a faulty igniter, a pressure sensor fault or mineral buildup. We carry common replacement parts for quick fixes, restoring your continuous hot water supply efficiently. We also check for proper venting, which is crucial for the safe operation of your unit.

Condensing Tankless Repair in Lebanon, NH

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 verify proper drainage. PVC venting is also checked for slope and sagging.