Keep Your Tankless Water Heater Running Like New

Tankless water heaters are a fantastic investment for any home. They provide on-demand hot water and are more energy-efficient than traditional tank heaters. But like any appliance, they need regular maintenance to function optimally. In this blog post, we’ll explore essential tankless water heater maintenance tips to ensure your system runs smoothly for years to come.

water heaters

Why Regular Maintenance Matters

Longevity and Performance

Regular maintenance can significantly extend the life of your tankless water heater. Neglecting maintenance can lead to a decline in performance, higher energy bills, and eventually costly repairs or replacements.

Efficiency and Savings

A well-maintained tankless water heater operates more efficiently, using less energy and saving you money in the long run. This efficiency can be compromised if the heater is not regularly checked and cleaned.

Preventing Unexpected Breakdowns

Routine maintenance helps identify potential issues before they become major problems. This can prevent unexpected breakdowns, ensuring you always have access to hot water when you need it.

Daily Maintenance Tips

Check for Leaks

One of the simplest daily maintenance tasks is to check for any visible leaks around the unit. Leaks can indicate a problem that needs immediate attention, such as a cracked heat exchanger or a loose connection.

Monitor Water Quality

Hard water can cause scale build-up inside the heater, reducing efficiency and potentially damaging the unit. Installing a water softener can help mitigate this issue and prolong the life of your heater.

Keep the Area Clean

Ensure the area around your tankless water heater is clean and free from debris. This allows for proper ventilation and reduces the risk of fire hazards.

Monthly Maintenance Tasks

Inspect the Venting System

Check the venting system for any blockages or damage. A clogged vent can cause the heater to overheat and shut down, while damaged venting could pose a carbon monoxide risk.

Flush the System

Flushing your tankless water heater helps remove mineral build-up and sediment that can affect performance. Use a descaling solution to clean the heat exchanger and maintain efficiency.

Test the Temperature Settings

Verify that the temperature settings are correct. The optimal setting is usually between 120°F and 140°F. This ensures comfortable water temperatures while preventing scalding and reducing energy use.

Annual Maintenance Procedures

Professional Inspection

Schedule an annual inspection with a professional plumber in Kaysville. A qualified technician can thoroughly check the system, replace worn-out parts, and ensure everything is working correctly.

Deep Cleaning

An annual deep cleaning of your tankless water heater helps remove any stubborn build-up that daily and monthly maintenance might miss. This includes cleaning the burners, air intake filter, and heat exchanger.

Update Software

If your tankless water heater has a digital control system, check for any available software updates. These updates can improve efficiency, fix bugs, and add new features to your heater.

Common Issues and Solutions

Low Water Pressure

Low water pressure can result from sediment build-up in the pipes or a clogged filter. Regular cleaning and flushing can help maintain proper water pressure.

Inconsistent Water Temperature

Fluctuating water temperatures can be caused by incorrect settings, a dirty heat exchanger, or a malfunctioning thermostat. Regular maintenance and professional inspections can help resolve these issues.

Error Codes

Modern tankless water heaters often display error codes when something goes wrong. Refer to the user manual for troubleshooting tips or contact a professional for assistance.

DIY vs. Professional Maintenance

Basic Tasks You Can Do

Many maintenance tasks, such as checking for leaks, cleaning filters, and flushing the system, can be done by homeowners. These simple tasks require minimal tools and can greatly impact the unit’s performance.

When to Call a Professional

For more complex issues, like deep cleaning, software updates, or significant repairs, it’s best to call a professional plumber in Kaysville. A trained technician has the expertise and tools to handle these tasks safely and effectively.

Benefits of Professional Services

Hiring a professional ensures that all maintenance tasks are done correctly, reducing the risk of damage and extending the life of your tankless water heater. It also provides peace of mind knowing that your system is in good hands.

Seasonal Maintenance Tips

Winter Preparation

Before winter sets in, insulate the pipes leading to and from the tankless water heater to prevent freezing. Also, check for any leaks or cracks in the pipes and repair them promptly.

Summer Maintenance

During summer, the demand for hot water usually decreases. This is a good time to schedule a professional inspection and deep cleaning to ensure the system is ready for the colder months.

Spring and Fall Checks

Conduct a thorough inspection of the unit in spring and fall. Look for any signs of wear and tear, clean the filters, and ensure the venting system is clear.

Safety Considerations

Carbon Monoxide Detectors

Install carbon monoxide detectors near your tankless water heater. This provides an extra layer of safety, alerting you to any potential leaks from the unit.

Fire Safety

Ensure there are no flammable materials near the heater. Regularly check the unit and surrounding area for dust or debris that could pose a fire risk.

Electrical Safety

If your tankless water heater is electric, ensure that all electrical connections are secure and free from corrosion. Regularly inspect the power cords and outlets for any signs of damage.


Maintaining your tankless water heater is essential for ensuring its longevity, efficiency, and reliable performance. By following these maintenance tips, you can enjoy endless hot water, lower energy bills, and avoid costly repairs. Remember, while some tasks can be done yourself, others are best left to professionals. If you need expert assistance, don’t hesitate to book an appointment with a plumber in Kaysville. Stay proactive with your maintenance, and your tankless water heater will serve you well for years to come.