Tankless water heaters are a modern and convenient solution for your home’s hot water needs. However, like any appliance, they require periodic maintenance to ensure they continue operating at their best. The good news? Proper maintenance is straightforward and typically involves a simple yearly routine.

If you live in an area with hard water or have your water heater set to a higher temperature, you may need to perform maintenance twice a year. The steps involved remain the same, making upkeep easy and efficient. Below, we’ve outlined some essential tips for maintaining and inspecting your tankless water heater.

Flushing Your Tankless Water Heater

Regular flushing is essential to maintain the performance and longevity of your tankless water heater. Over time, minerals and debris can accumulate within the water chamber, particularly in areas with hard water. These buildups can affect your system’s efficiency and eventually shorten its lifespan. One of the most common issues is lime deposits, which may not be covered under your water heater’s warranty if left unchecked.

To flush your water heater:

• Use white vinegar, a sump pump, and two hoses.
• Attach the hoses to the unit’s valves and cycle the vinegar through the water chamber using the pump.
• Follow the manufacturer’s instructions for detailed steps.

If you’re unsure how to flush your water heater or would rather leave it to a professional, call Mastropiero Plumbing & Heating for expert assistance.

Cleaning the Water Filter

Many tankless water heaters come with a water filter to capture debris before it enters the system. While these filters help reduce buildup, regular cleaning is still necessary to ensure optimal performance.

Steps to clean the water filter:

• Turn off the water heater before starting.
• Remove the filter and rinse it under running water to clear out debris.
• Wipe the filter with a clean cloth and reinstall it once dry.

If you can’t locate your filter or need guidance, refer to your user manual or call Mastropiero Plumbing & Heating for help.

Cleaning the Air Filter

Tankless water heaters are equipped with air filters to maintain proper airflow. Over time, these filters can collect dust and debris, which impacts the unit’s performance.

To clean the air filter:

• Remove the filter and gently clean it using a soft-bristled brush and a soap-and-water solution.
• Rinse thoroughly and let it dry completely before reinstalling.

Keeping the air filter clean helps ensure efficient operation and prolongs the life of your water heater.

Extend Your Water Heater’s Lifespan

By performing regular maintenance like flushing the system, cleaning filters, and scheduling professional inspections, you’ll help your tankless water heater operate efficiently for years to come. A professional plumber can inspect valves, heating elements, and pipes, replacing worn-out parts as needed to prevent larger issues down the line.

If you’re not confident performing these tasks yourself, Mastropiero Plumbing & Heating is here to help. Our licensed and insured technicians provide expert maintenance, repairs, and inspections to keep your water heater running smoothly.