It can be very frustrating if you don't know why your solar hot water system isn't heating properly. In this article, we go over some common problems that arise with solar hot water systems and what to do about them.
For more information, check out our guide on "Everything you need to know about solar hot water systems" or get in touch with the team at iBreeze.
If you're getting lukewarm or cold water from your taps, use the list below to troubleshoot why your solar water heater is not heating.
On cloudy days, less sunlight may mean less reliable heating from your solar hot water system. You may have to rely on your booster heating unit more often during these periods.
If you are using your booster system correctly and still only running lukewarm or cold water, it could be a problem with the booster.
The solar collectors will be less effective if they are in the shade of a tree or if they are dirty.
Check that the thermostat is set at an appropriate temperature. Usually this is between 60 and 70 degrees celsius. If the thermostat setting is incorrect, you may need a qualified professional to adjust the settings for you.
If you are running out of hot water it could be because you are using more hot water than you expected or because the storage tank is too small for your household needs.
The temperature pressure relief valve helps your hot water system release excess temperature and pressure in a safe way.
It's normal for the valve to let out a small amount of water during the water heating cycle. However, if you notice large amounts of water coming out of the valve it could indicate a blockage or pressure issue.
If you notice water leaking on the roof or near the hot water tank on the ground, the most likely cause is the temperature pressure relief valve (see above).
Small amounts of water is normal as the system tries to cope with excess heat and pressure. However, large leaks should be attended to as soon as possible as they can be a sign of a larger problem.
Leaks may also be caused by damaged pipe fittings, burst pipes or loose nuts. Call a professional to inspect the problem and replace parts where necessary.
Modern solar water heaters typically last for over 10 years. Check the manufacturer's warranty for a more specific estimate.
A number of factors can affect the lifespan of your system, including how often it is serviced, the water source used and the temperature and pressure of the water.
It's important to perform regular maintenance on your system to preserve its life and improve performance.
It can be frustrating when you don't know why your solar hot water system is not heating properly.
If you've tried the troubleshooting steps in this article and are still having problems with your solar water heating or water temperature, it's time to get professional help.
For solar power repairs and maintenance in Perth and Mandurah, give the team at iBreeze a call.
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