Tankless Water Heater Maintenance in San Bernardino, CA

Dependable Tankless Water Heater Maintenance Services in San Bernardino, CA

Preventative Maintenance for All Tankless Brands in San Bernardino, CA

FKM Plumbing provides preventative maintenance for all major tankless water heater brands, including Navien, Bosch and State, across San Bernardino, CA. Our technicians are cross-trained to handle the unique requirements of each manufacturer. We perform descaling, filter cleaning and component checks tailored to your specific model, supporting long-term reliability and manufacturer warranty requirements, regardless of the brand.

Condensing Unit and Neutralizer Service in San Bernardino

High-efficiency condensing tankless heaters produce acidic condensate that must be neutralized before it goes down a drain. We inspect the condensate trap, line and neutralizer cartridge and replace the media when it is spent. A clogged trap can cause shutdowns or water leaking inside the cabinet. We also check that the line is protected where it runs outdoors.

Annual Tankless Water Heater Inspection in San Bernardino

An annual inspection of your tankless water heater in San Bernardino is a proactive measure against costly repairs. Our thorough check includes examining the gas line connections for leaks, testing the pressure relief valve, inspecting the igniter and cleaning the air intake filter. We look for any signs of wear or potential failure, providing recommendations to keep your system running smoothly all year long, through hot spells and cold snaps alike.

Noritz Tankless Water Heater Descaling in San Bernardino, CA

Noritz tankless heaters are known for their solid build. Our descaling service for Noritz units focuses on their intricate heat exchangers, which can be prone to scale buildup from mineral-rich water. We use manufacturer-approved descaling agents and follow precise flushing procedures to prevent damage. We also inspect the fan motor and exhaust system for proper airflow, a frequent area for attention in San Bernardino.

Heat Exchanger Descaling in San Bernardino

The heat exchanger in a tankless heater is a coil of small tubes that water races through while the burner fires. Hard water drops calcium and magnesium on those hot surfaces, narrowing the passages over time. We connect a submersible pump and hoses to the service valves and circulate descaling solution for 45 to 60 minutes. Then we flush with fresh water to rinse the system thoroughly. Restored flow means steadier temperatures and fewer shutdowns.

Commercial Tankless System Checks in San Bernardino, CA

Commercial tankless water heaters face higher demand and require more frequent, rigorous maintenance. Our service for businesses in San Bernardino includes detailed inspections of multiple units, checking for proper gas pressure, water flow rates and exhaust venting. We look for any signs of wear on components like igniters, sensors and heat exchangers, which is vital for businesses that rely on consistent hot water, such as restaurants or salons.

Recirculation and Combi System Service in San Bernardino, CA

Many tankless units now include built-in recirculation pumps or buffer tanks to deliver faster hot water. These systems move more water through the exchanger and scale up sooner. We flush the recirculation loop, check pump operation and verify crossover or dedicated return line settings. Correct schedules can cut wasted energy while still giving you quick hot water.

Error Code Diagnostics in San Bernardino, CA

Codes like Rinnai LC, Navien E003 or Noritz 90 tell us a lot about what is going wrong. We read the code history, test flame rods, flow sensors and igniters and check gas pressure at the inlet. Many codes trace back to scale or a dirty filter and clear after maintenance. When a part has failed we explain the repair and the cost before doing anything.