I have a couple of issues.
Edit : I have the Turbomax bolier with the green dials which is boiler 3 on this page
http://www.vaillantservice.co.uk/Identify_Your_Vaillant_Boiler_Model_Ecotec_Turbomax_Ecomax_VCW_VUW.html
When looking at the machine there is a microswitch on the far right...
