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how can i fix my valiant combi boiler?

when my heating is set on a timer for the morning it turns its self on but when i go to use the hot water first thing it turns the boiler off and will not re start for about 10 minutes later. it will give hot water but no heating for this time.

EMYR ADAMS
October 2008

Heating, Home Heating Systems Valiant Combi Boiler

which vaillant cmbi is it? if its vcw 242e then you have problem with yous servo valve or micro pipes to servo valves are blockrd.

universal heating ltd
October 2008

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how can i fix my valiant combi boiler?

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how can i fix my valiant combi boiler?

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how can i fix my valiant combi boiler?

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