Just trying to get my head around it robmorris!
After comparing the 2 wiring diagrams I have made the following observations:
Only one side of the junction box needs changing - the connections to the room stat, cylinder stat and 3 way valve stay the same.
Only four terminals of the...
Thanks for taking an interest D_Hailsham - much appreciated!
Ok, yes I have a mid position valve, in the airing cupboard. I'm 99% sure it's a Honeywell V4073.
Not the best photo - sorry!
I believe there is a junction box, also a Honeywell item. It's in the airing cupboard -...
I have an old Myson Apollo Fanfare 15/30 with what I'm sure is a Y plan system. Now, the programmer (which I replaced like for like a few years ago) is playing up again so I would like to replace it with something with more flexibility such as the Honeywell ST9400C.
I assume this is an easy...
Unfortunately (it seems) I have the above size gutter on my house.
The problem is I need new parts but cannot find anywhere that sells this size!
Is it no longer available? Or am I looking in the wrong places?
Any help much appreciated!
Top bombing! Thanks to everyone who's posted a reply.
This info has made me feel like a have a slight clue what i'm doing now! Quick, clear replies, I like it! This really is a great site! :D