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Hi All,
I have Vaillant ecotec plus 824 combi boiler installed which is around 13 years old. It was working fine until now but it is started giving problem with hot water. When I turn on hot water tap then tap symbol appears and it fires up the heating, but when it reaches maximum level then suddenly cuts off with switching noise, and water starts cooling down. If I shut down the tap and start again then it does the same thing. No fault code appears.
Then I have to open tap with half open and wait for it to fire up heating then immediately shut down, I do this for couple of times and then It starts working normally. Once water gets cold then it does it again. If water is warm enough then it works fine.
Radiator works fine.
Please provide expert opinion.
I have Vaillant ecotec plus 824 combi boiler installed which is around 13 years old. It was working fine until now but it is started giving problem with hot water. When I turn on hot water tap then tap symbol appears and it fires up the heating, but when it reaches maximum level then suddenly cuts off with switching noise, and water starts cooling down. If I shut down the tap and start again then it does the same thing. No fault code appears.
Then I have to open tap with half open and wait for it to fire up heating then immediately shut down, I do this for couple of times and then It starts working normally. Once water gets cold then it does it again. If water is warm enough then it works fine.
Radiator works fine.
Please provide expert opinion.