David Dawes asked ... How to recoil the starter spring - Champion R484TR?    |    peter high asked ... How can I set time on my Neff oven?    |    Michael asked ... Mountfield empress drive belt?    |    John Barton asked ... How do i clear the TAM?    |    John asked ... How can I mend my binatone veva 1210 handset?    |    Click here to ask your question

Vaillant Turbomax 828e combi boiler?

Do I turn the filling valve to increase the pressure, clockwise or anticlockwise?
The filling valve key is absolutely tight - unable to turn at all.
Any suggestion please.
Thank you.
C J, October 2016
link Click here to see other fixes for Vaillant.