Hi, I have had Thermal solar on my roof since 2009. Even in the UK we have had a fair amount of free hot water during the summer months, and even a degree of hot water in winter, usually up to 60 in summer and around 30-35 in winter.
In the last few weeks I have noticed that the water is not getting any where near where it has been in the past. So checking the figures on the controller, I noticed that the temp on the collector reads 120, while the tank is around 30. The pump seems to be turning. But I am thinking that a valve may be stuck closed and not allowing the water to enter the tank. I am no expert in this field, so if anyone out there can make any suggestions, I would be most grateful.
In the last few weeks I have noticed that the water is not getting any where near where it has been in the past. So checking the figures on the controller, I noticed that the temp on the collector reads 120, while the tank is around 30. The pump seems to be turning. But I am thinking that a valve may be stuck closed and not allowing the water to enter the tank. I am no expert in this field, so if anyone out there can make any suggestions, I would be most grateful.
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