Your Annual Tankless Water Heater Maintenance Checklist

Tankless water heaters provide endless hot water and higher efficiency, making them a smart choice for many homes. To keep your unit running smoothly and efficiently for its full lifespan, routine care is essential. As the trusted team for water heater repair in Buckeye, AZ, Trident Plumbing & Drain specializes in home comfort systems and offers professional guidance to help you protect your investment.

Why Annual Flushing is Essential

The most critical step in tankless water heater care is annual flushing. As water heats, minerals like calcium and magnesium separate and build up inside the heat exchanger. This sediment restricts water flow and reduces heating efficiency. Over time, heavy scaling can cause the unit to overheat or completely fail.

Flushing involves circulating a vinegar or descaling solution through the system to dissolve these deposits. It restores the unit’s heat transfer capability and ensures you continue to receive hot water on demand. Skipping this step is the fastest way to shorten your unit’s lifespan and necessitate a premature water heater replacement.

Check the Air and Water Filters

Tankless units use filters to protect delicate components. The air intake filter prevents dust, dirt, and debris from entering the combustion chamber, which could harm the burner. A clogged air filter forces the unit to work harder, wasting energy.

Similarly, an in-line water filter catches sediment from the water supply before it enters the heat exchanger. It’s important to inspect both filters at least once a year. If they appear dirty, gently clean them according to your manufacturer’s instructions. Keeping these filters clear is a simple but vital part of consistent water heater maintenance.

Inspect the Venting System

Tankless water heaters, especially gas models, need a clear and unobstructed path for exhaust gases to exit the home safely. The venting pipes should be checked for any blockages, such as bird nests, leaves, or debris.

Also, examine the pipes themselves for signs of damage or disconnection. Any issue with the venting creates a dangerous situation and reduces the unit’s operating efficiency. Always consult an expert if you suspect a venting problem; carbon monoxide is an odorless hazard. Proper water heater installation includes a secure and correct venting setup from the beginning.

FAQs

Q: How do I know if my tankless unit needs service?

A: Common signs include a reduced flow of hot water, lukewarm temperatures, or strange noises like banging or popping from the unit. If you see an error code on the digital display, that indicates a problem requiring immediate attention.

Q: Can I flush my tankless water heater myself?

A: Many homeowners can perform the basic flushing process with a specialized kit and the right know-how. However, if you are uncomfortable working with plumbing lines or the unit’s components, it is safer to call a professional technician. Improper flushing can damage the system.

Q: How long do tankless water heaters last?

A: A well-maintained tankless water heater often lasts 20 years or more. This is significantly longer than the average lifespan of a traditional tank unit, which is typically 10 to 15 years. Consistent annual care is the biggest factor in achieving this extended lifespan.

Regular care is the best way to get the most from your tankless system. It ensures efficiency, prevents unexpected cold showers, and saves you money on energy bills and emergency repairs. Trident Plumbing & Drain is a veteran-owned and family-operated company, providing reliable, professional, and effective plumbing services. Call us whenever you need quality water heater solutions.