Thanks for the help.
Bought a reconditioned diverter valve with built in wax cartridge at the bottom. £160 but £50 returned when handing back the old knackered one. Got this from Adlink in London.
Fitted it after a lot of wrestling in a dark small cupboard (took about 3 hours...
thanks gents, someone else said it was the wax capsule component broken within the diverter valve.
My plan is to buy diverter valve (£130 reconditioned) and a wax capsule kit. Then attempt to fit them (not using the diverter if not necesarry)
Ill keep you posted soon.
Many thanks for...
Hi all,
Any advice on this problem Id really appreciate.
Friends Vaillant Sine stopped working. He had 2 plumbers round saying the boiler needed to be replaced for wrong reasons (ignitor not working no parts availalbility) etc.
Ignitor worked fine, but i found the overheat switch open...