called simon, got equivalent part number halsted/ariston - he even found me one in stock locally.
£6 plus vat, the halstead part is £50+ apparently?!
there was a half inch tear in the old diaphragm so thanks for the diagnosis! fitted new part and everything appears to be fine.
thanks...
that is interesring - i don't suppose you know how to identify if my flow valve assembly is suitable for using ariston parts?
thanks in advance as always
thankyou very much for your help
yes i have the manual here, it sounds pretty straight forward.
i'll be looking for a flow switch diaphragm kit onlone, suggestions are welcome. also i know i have to detach the dhw pressure sensing pipes - will the o-rings required to refit these come with...
yes, the boiler fires with shower and bath taps on full - does this diagnose problem as diaphragm? how tricky a job is it and can someone with good spanner skills complete it?
1) halsted finest gold - gas
2) diverter pin not moving
3) no recent work/changes
4) problem started 1st jan 2009
5) when hot tap/shower is turned on, DHW pin does not move
6) bled all rads, pressure when CH is on maxes at 1.5 bar-ish
hi experts, i have a halsted finest...