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How to Perform Annual Inspection & Maintenance On Your Tankless Water Heater

Performing regular maintenance on your tankless water heater is essential for optimal performance, efficiency, and for extending the lifespan of the unit. Annual inspections help identify potential issues early, prevent breakdowns, maintain energy efficiency, and provide a continuous supply of hot water. T

his guide will provide you with detailed steps for cleaning and maintaining your tankless water heater, including professional tips and DIY methods to keep your unit running smoothly.

Key Takeaways:

  • Essential maintenance: Regular inspection and cleaning improve performance and prolong the lifespan of your tankless water heater.
  • DIY cleaning tips: Learn how to clean your tankless water heater and remove mineral buildup for efficiency.
  • Flushing frequency: Flushing the unit once a year prevents clogs and scale buildup.
  • Professional service: Consider professional maintenance for thorough cleaning and issue detection.
  • Maximize efficiency: Regular care ensures energy savings and optimal hot water supply.

Why Annual Maintenance is Important for Your Tankless Water Heater

Skipping annual maintenance is the most common cause of premature failure in tankless water heaters. It can also void the warranty and leave you responsible for expensive repairs or replacements. Regular inspection and cleaning make sure that your unit runs efficiently. This saves you energy and lowering utility bills. By maintaining your tankless water heater, you protect your investment and introduce a steady supply of hot water without the risk of unexpected breakdowns.

Benefits of Regular Cleaning:

  1. Continuous hot water flow: Prevents clogs and ensures a steady supply of hot water.
  2. Improved energy efficiency: Allows the heater to heat water more effectively for less energy consumption.
  3. Prolonged lifespan: Reduces wear and tear, preventing breakdowns and expensive repairs.

Tools and Supplies Needed for Cleaning a Tankless Water Heater

Before beginning the cleaning process, it’s essential to gather the necessary tools and supplies to guarantee an efficient and thorough job. Here’s what you’ll need:

  • Hoses: Two hoses to connect to the water valves. This is used for flushing out sediment and mineral buildup.
  • Descaling/Cleaning Agent: White vinegar or a commercial cleaning solution for tankless water heaters to dissolve scale and deposits.
  • Submersible Circulation Pump: Helps circulate the cleaning solution through the unit.
  • Bucket: To collect the water and cleaning solution flushed from the heater.

Step-by-Step Guide to Cleaning Your Tankless Water Heater

Cleaning your tankless water heater is a straightforward process that can be done annually to prevent mineral buildup and maintain efficiency. Follow these steps to keep your unit in top shape:

  1. Turn Off the Power and Water

Start by turning off the power source (gas or electricity) to the heater and shut off the water supply using the water valves.

  1. Remove the Purge Port Valve Caps

Remove the purge port valve caps and attach hoses to each valve. These will be used to circulate the cleaning solution.

  1. Add Cleaning Solution

Use a descaling agent or white vinegar. Follow the manufacturer’s instructions for dilution. Attach the circulation pump to one of the hoses and place it in a bucket filled with the cleaning solution.

  1. Circulate the Solution

Turn on the circulation pump and allow the cleaning solution to flow through the system for about 30 minutes. This dissolves mineral buildup.

  1. Flush the System

After circulating the cleaning solution, flush the system by disconnecting the hoses and allowing fresh water to run through the unit for about 5-10 minutes. This will rinse away any remaining solution or sediment.

  1. Reassemble the Unit

Reconnect the hoses, close the purge valves, and turn the power and water supply back on. Test the system to make sure everything is functioning properly.

Maintenance Tips for Tankless Water Heaters

In addition to regular cleaning, there are a few other maintenance tasks that can help keep your tankless water heater running efficiently.

Regular Filter Cleaning

The water filter in your tankless heater should be cleaned regularly to remove any debris or buildup that could affect performance. Simply remove the filter, rinse it with water, and reinstall it.

Monitor Water Pressure

Maintaining proper water pressure is essential for optimal performance. Check the pressure gauge periodically so that it falls within the recommended range specified by the manufacturer.

Flushing Frequency and Its Importance

Flushing your tankless water heater is one of the most important maintenance tasks. It helps remove mineral deposits that accumulate inside the unit over time, particularly in areas with hard water. Flushing the heater at least once a year establishes free water flow, improved energy efficiency, and prevents premature failure.

Factors Affecting Flushing Frequency:

  • Water hardness: Homes in areas with hard water may need more frequent flushing (every 3-6 months).
  • Usage: Frequent use of hot water can accelerate mineral buildup, requiring more regular flushing.

Professional Tankless Water Heater Flushing Service

At Water Heaters Now, we offer professional tankless water heater cleaning services to make sure your system runs efficiently. Our trained technicians have the expertise to thoroughly inspect and clean your unit, identify potential issues, and perform necessary repairs.

Benefits of Professional Maintenance:

  • Expertise and knowledge: Professional technicians understand the specific needs of different tankless water heater models.
  • Time-saving: Letting professionals handle the cleaning process saves you time and effort.
  • Thorough inspection: A professional can identify potential issues early, preventing costly breakdowns.

Annual Inspection Steps for Your Tankless Water Heater

Performing an annual inspection ensures your tankless water heater is working efficiently and helps identify potential issues before they become serious. Here’s how to carry out an annual inspection on your heater:

  1. Check for Error Codes

Begin by checking the unit’s error-code history, which will let you know if any issues have triggered error codes. Follow your heater’s manual to view any codes that may have been recorded.

  1. Remove the Front Panel

Carefully remove the front panel of your heater by taking off the side-panel strips and unscrewing the four panel screws. Tilt the bottom of the panel forward and lift it off to inspect the unit.

  1. Inspect the Flame Rod

Look through the sight glass to inspect the flame rod. You should see a clean blue flame coming from the burner. This indicates proper gas pressure and efficient operation.

  1. Clean the Air Filter

The air filter is located at the top right corner of your unit. It should be removed and cleaned annually. This makes sure the air intake remains unobstructed. It prevents performance issues caused by debris or bugs.

  1. Clean the Cold Water Filter

Located at the bottom of the unit, the cold water filter should be removed, cleaned, and reinstalled during your annual inspection. This helps prevent clogs caused by debris in the water supply.

Flushing Your Tankless Water Heater with Vinegar

One of the most effective ways to clean your tankless water heater is by flushing it with white vinegar. Here’s how to do it:

  1. Turn Off Water Valves

Shut off the hot and cold water valves to prevent water from flowing into the unit.

  1. Set Up the Flush

Attach service hoses to the hot and cold water valves and place the end of the cold water line into a bucket filled with 2-3 gallons of white vinegar.

  1. Cycle the Vinegar

Use a submersible pump to circulate the vinegar through the heater for about 30 minutes. This will dissolve any mineral deposits inside the system.

  1. Rinse the System

After flushing with vinegar, allow fresh water to cycle through the system for 5-10 minutes to remove any remaining solution.

The Benefits of Regular Tankless Water Heater Maintenance

Keeping your tankless water heater well-maintained offers several key benefits:

  • Increased lifespan: Regular maintenance prevents wear and tear. It helps extend the life of your heater.
  • Energy savings: A well-maintained unit operates more efficiently, using less energy to heat water.
  • Reliable performance: Preventing mineral buildup makes sure your unit provides continuous hot water without interruption.

Annual inspection and maintenance are essential to protecting your investment in a tankless water heater. Regular cleaning, filter checks, and flushing guarantee that your unit runs efficiently, prolong its lifespan, and saves you money in the long run. Whether you perform the maintenance yourself or hire professionals from Water Heaters Now, taking the time to care for your tankless water heater promises reliable performance and a continuous supply of hot water for years to come.

For professional water heater maintenance services, contact us to schedule an inspection or cleaning today. Let us help you keep your water heater running at its best, so you can enjoy the comfort of endless hot water and energy savings year-round.

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