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two screws...

just looked this morning at the actuator and it defo unscrews from valve unit plus,i have had the whole thing off to replace the syncron motor so think it has already been adapted.... cheers again dia...

guys thanks for your help on my little situ have sourced said powerhead will attempt this first to see if it cures my woe's http://www.uk-plumbing.com/honeywell-40003916001-replacement-powerhead-for-v4043h-p-41209.html not a bad price i thought again mandate and doitall both thanks...

v4073a1039 to be exact thanks dia for that are the powerheads replaceable????

cheers.really are you sure as my mate seems to think its a diverter as you only have h/w or c/h. no h/w c/h

and if i were a plumber i doubt i would nothing but grief this last year or so..

right gotcha...

its honeywell and seems to have 59421 stamped on the top of it if that helps looks like it has 5 wires blue,grey,red,white...and a green and yellow wire can't find the serial tag inside the cover and should the motor be hot with heating on.....

on closer inspection yes it has a bump on it... heres a photo to help

i've just looked at a couple and they look exactly the same aaaaarrrrrgggg don't know with out stripping the cupboard out whats the difference if you don't mind me asking???

cheers so do i get a new actuator then.do you know if this comes with a motor in it or am i being thick and have to get a new motor aswell... cheers....

all i can say is i was told it is a y plan separate circuit for hot water and central heating...its got a 1 in 2 out with a rubber ball valve under the actuator.. The actuator is what you call the powerhead cheers...

yeah thats what i thought its just going tick tick tick.and not locking to full position...for hot water hence hot rads... cheers

hey matt no it did work fine up till last year then allsorts started happening kept thinking i was burning the motors out.so nice to know i'm not going mental... have not messed with the wiring so not sure all i did do was install a syncron motor twice and i'm right in thinking that...

hi there guys..... i'm new to this site....so hi there... right my problem is as follows 4 months ago i replaced for the second time the syncron motor in the diverter valve on my y plan system... from what i understand the motor flips the micro switch for hot water and for heating on the...