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My Keston C36 combi boiler is acting up - the water's getting way too hot.
It's hitting around 90 degrees when in use. And then bounces back to 40s. The led indicator for DHW also turns ON/OFF while temperatures bounces. (PFA)
Any ideas what might be causing this or how I can fix it?
To add more context, it tried with taps in bathroom and kitchen, and it was same behaviour.
Thanks in advance for any tips or advice
It's hitting around 90 degrees when in use. And then bounces back to 40s. The led indicator for DHW also turns ON/OFF while temperatures bounces. (PFA)
Any ideas what might be causing this or how I can fix it?
To add more context, it tried with taps in bathroom and kitchen, and it was same behaviour.
Thanks in advance for any tips or advice
