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Mend Vaillant ecotec pro 28 f.75 Boiler Ecotec

vaillant ecotec pro 28 f.75 code and no hot water or heating?

can any one advise me on how to fix or reset my vaillant boiler the code f.75 has appeared and i have no hot water or heating thanks

A Brind
September 2012
VaillantVaillant ecotec pro 28 f.75Heating, Home Heating SystemsVaillant Boiler Ecotec
no heating only

Renu
January 2013
If still problem change water pressure switch or clean out. Mat be dirt in push fit connection you have to drain system

ltd
September 2012
Re pressure system to 1.5 take air out from auto air vent take out from pump reset boiler

ltd
September 2012

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Vaillant Ecotec Pro 28 F.75 Error - No Hot Water