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Mend Vaillant 242/1 E Heating Temperature

vaillant turbo max 242/ 1 e?

when dhw is called for its not to tempreture keeps going hot and cold and the heating will come on even when not turned on

jon
January 2009

Vaillant Vaillant 242/1 E Heating, Home Heating Systems Vaillant Heating Temperature

your plate heat exchanger is blocked.

mr vaillant
January 2009

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Vaillant 242/1 E - Hot Water & Heating Issues