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

recurrent F22 error code on Vaillant ecotec plus 624?

keep topping up water Pressure but it keeps dropping.checked for leaking rads and nil found.Any suggestions?
Nephesh, July 2014
Any sign of water from pressure relief valves out side or follow pipes from PRV ,change valves

ltd, July 2014
link Click here to see other fixes for Vaillant.