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How to maintain your solar water heater for maximum efficiency

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Farmson Solar
How to maintain your solar water heater for maximum efficiency

Solar water heaters have become increasingly popular in India due to their eco-friendliness and cost-effectiveness. However, like any other appliance, solar water heaters also require maintenance to ensure maximum efficiency and longevity. In this article, we will discuss some tips on how to maintain your solar water heater for maximum efficiency.


Regular Cleaning

Dirt, dust, and debris can accumulate on the solar collectors, reducing their efficiency. Regular cleaning of the collectors is crucial for optimum performance. Cleaning should be done once a year, preferably before the monsoon season, to ensure the best results. It is recommended to use a soft-bristled brush or a sponge to clean the solar collectors. Avoid using abrasive materials or harsh chemicals as they can damage the solar collectors.

Checking the Tank and Pipelines

The storage tank and pipelines should be checked for any leaks or damage regularly. If you notice any leaks, it is advisable to get them fixed immediately to avoid any further damage. Additionally, the pipelines should be checked for any clogs or blockages that can hinder the flow of water.

Inspection of the Electrical Components

The electrical components of the solar water heater, such as the thermostat, should be checked regularly. The thermostat should be set to the recommended temperature, and if it is not functioning correctly, it should be replaced. The wiring and electrical connections should also be inspected to ensure that they are not loose or damaged.

Testing the Pressure Relief Valve

The pressure relief valve is an essential safety feature of the solar water heater that prevents the tank from exploding due to excess pressure. It is essential to test the pressure relief valve regularly to ensure that it is functioning correctly. To test the valve, lift the lever on the valve, and let some water out. If water doesn't come out, it means the valve is clogged, and it needs to be cleaned or replaced.

Professional Maintenance

While some maintenance tasks can be done by homeowners, it is recommended to get professional maintenance services once a year. A professional technician will inspect and clean the solar collectors, check the electrical components, test the pressure relief valve, and ensure that the solar water heater is functioning correctly. Additionally, they can identify any potential problems and fix them before they turn into costly repairs.


Solar water heaters are an excellent investment for any homeowner as they are cost-effective, eco-friendly, and can save a significant amount of money on electricity bills. However, regular maintenance is crucial to ensure maximum efficiency and longevity of the appliance. By following these tips, homeowners can keep their solar water heaters functioning at their best and avoid costly repairs in the future. There are many solar water heater manufacturers in India and solar water heater manufacturing companies in India that offer a wide range of products. If you are in the market for a solar water heater, it is recommended to choose a reputable brand and get it installed by a professional.

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