Discuss Unused solar Thermal Thermal in the Renewables area at Plumbers Forums

Does anybody know what happens to a solar thermal flat panels (a pair on south facing slate roof) that have been unused for at least 12 months possibly year before also. System has been switched of due to loss of pressure. How will last years heat wave conditions have effected the panel components. Is it simply a case of flushing and refilling the system or is further damage likely. Kingspan no longer doing solar thermal
Many thanks
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Depends if it was drained you should be ok but old gycol is corrosive and you could end up replacing the panels and piping tbh I would opt for a new system if you went down the route of re commissioning there would be a heavy t and c page

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