top of page

Yetty Mountain Plumbing | Plumbing Service You can Trust 

"Mountain High Quality , Down To Earth Service"

ChatGPT Image Jun 10, 2026, 02_18_53 PM_edited_edited.png
png-01_edited_edited.png
MP: 03000266 /  PC: 0005329

We Offer Financing!

Serving Northern Colorado for 20 years

Maintain Your Tankless Water Heater Effectively

  • joshfisher8
  • Jun 10
  • 3 min read

Tankless water heaters offer many benefits, including energy savings and endless hot water. But like any home appliance, they need regular care to keep working well. Proper maintenance helps avoid costly repairs and extends the life of your unit. This guide explains how to maintain your tankless water heater effectively, with practical tips and examples.


Close-up view of a modern tankless water heater installed on a wall
Close-up view of a modern tankless water heater installed on a wall

Why Regular Maintenance Matters for Tankless Water Heaters


Tankless water heaters heat water on demand, so they don’t store hot water like traditional tanks. This design saves energy but also means the system can build up mineral deposits inside. Over time, these deposits reduce efficiency and may cause damage.


Regular maintenance helps:


  • Remove mineral buildup

  • Check for leaks or corrosion

  • Ensure proper water flow and temperature

  • Extend the unit’s lifespan

  • Maintain energy efficiency


Ignoring maintenance can lead to reduced hot water flow, higher energy bills, and expensive repairs.


Key Steps to Maintain Your Tankless Water Heater


Flush the System Annually


Mineral deposits, especially calcium and lime, can clog the heat exchanger. Flushing the system once a year removes these deposits.


To flush:


  1. Turn off the power and water supply to the heater.

  2. Connect a pump to the service valves.

  3. Run a vinegar or descaling solution through the system for about 45 minutes.

  4. Rinse with clean water.

  5. Turn the water and power back on.


If you prefer, professional services can handle this safely and efficiently.


Clean the Water Filter


Most tankless water heaters have a water filter to catch debris. Check and clean this filter every few months to keep water flowing smoothly.


Steps:


  • Turn off the water supply.

  • Remove the filter.

  • Rinse it under running water.

  • Reinstall the filter.


Inspect the Venting System


Proper venting is crucial for safe operation. Check vents for blockages, corrosion, or damage. Clear any debris and ensure vents are sealed well.


Check for Leaks and Corrosion


Look around the unit and pipes for water leaks or rust. Early detection prevents bigger problems. Tighten loose fittings and replace damaged parts as needed.


Test the Pressure Relief Valve


The pressure relief valve prevents excess pressure buildup. Test it by lifting the valve handle and letting water flow out briefly. If it doesn’t work properly, replace it.


Comparing Two Popular Tankless Water Heater Maintenance Services


If you want professional help, two services stand out:


  • EcoFlush Tankless Water Heater Flush Service

This service uses a safe, eco-friendly descaling solution to flush your unit. It includes a full inspection and cleaning of filters and vents. EcoFlush is known for quick, thorough work and clear pricing.

Learn more at EcoFlush Service.


  • ClearFlow Tankless Water Heater Maintenance Package

ClearFlow offers a comprehensive package including flushing, filter cleaning, vent inspection, and leak checks. They also provide a 12-month warranty on parts replaced during service. Their technicians are certified and experienced.

Visit ClearFlow Maintenance for details.


Both services help keep your heater running efficiently. Choose based on your budget and service area.


Eye-level view of a technician inspecting a tankless water heater vent
Eye-level view of a technician inspecting a tankless water heater vent

Tips to Extend the Life of Your Tankless Water Heater


  • Use a water softener if your water is hard. This reduces mineral buildup.

  • Avoid setting the temperature too high. Around 120°F is safe and energy-efficient.

  • Schedule professional maintenance every 1-2 years.

  • Keep the area around the heater clean and free of dust.

  • Monitor your water usage and report any sudden changes in hot water flow.


When to Call a Professional


Some maintenance tasks are simple, but others require expertise. Call a professional if you notice:


  • Strange noises from the unit

  • Water temperature fluctuations

  • Error codes on the display

  • Persistent leaks or corrosion

  • Reduced hot water flow despite cleaning


Professionals can diagnose and fix issues safely, ensuring your heater lasts longer.


High angle view of a technician performing maintenance on a tankless water heater
High angle view of a technician performing maintenance on a tankless water heater

Maintaining your tankless water heater is key to enjoying reliable hot water and saving energy. Regular care prevents problems and keeps your system running smoothly. Whether you do it yourself or hire a service like EcoFlush or ClearFlow, staying on top of maintenance pays off.


For detailed guidance, check out this tankless water heater maintenance resource to keep your system in top shape. Start today to protect your investment and enjoy hot water without worry.

 
 
 

Comments


bottom of page