The solar fluid is a non-toxic 40/60 propylene glycol and water solution which has been specifically developed for solar thermal applications to protect the systems from freezing.
One of the most important aspects of your solar thermal system is the heat transfer fluid. You will need to replace the fluid every 5 to 7 years to ensure that the pH and antifreeze-protection levels are correct. Call 01792 862424 to get a quote for solar thermal servicing. Solar thermal hot water systems have been around for some time now.
No. The solar fluid used in a Grant solar thermal system is a 40% propylene glycol solution. This provides frost protection for the collectors and external pipework down to -25°C. How often do I need to replace the fluid in my solar installation?
Westward Energy has over 15 years experiencing servicing these systems. They are now a tried and tested technology, but to get the best out of your solar thermal system there are some key points to remember. Just like your car or any other mechanical equipment, servicing on a regular basis is essential.
Call 01792 862424 to get a quote for solar thermal servicing. Solar thermal hot water systems have been around for some time now. Westward Energy has over 15 years experiencing servicing these systems. Call 01792 862424 to get a quote for solar thermal servicing.
Most solar thermal systems use antifreeze as the liquid to transport heat from the solar panel to the cylinder. However, there are a few drain back systems that only use water. The antifreeze is normally non-toxic propylene glycol (as opposed to toxic ethylene glycol). An antifreeze change may be required for your solar system.