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Oo The white arm seems to be stuck in the raised position?? is it a visible lift that takes place? whats the resting position? under the white arm is a black beam with a raised point that looks like it should meet the white arm at rest?? - it doesnt! tho after giving it a little manual...

OK so i got my meter out and bridged the air pressure switch contacts, this dropped voltage every time whether the bioler started or not. I then repeated this test on the pressure differential switch, and when the boiler fired the voltage dropped but when it failed to fire this voltage...

Last week my vaillant boiler started to play up, it would not start and showed an orange flashing light next to the ignition indicator. an on off usually sorted this. I got a copy of the manual which included a fault finding flow chart. this stated to turn water and heating onto full...

Hi may i have a copy of the manual.. my email is [email protected] And i have no manuals/instructions for my boiler and a light is flashin next to a symbol i that means nothing to me two triangles in an hourglass configuration.. a reset (off/on) rectifies the issue.. I just need to...