No heating 3 port valve NOT coming into play.

23 Aug 2008
Reaction score
United Kingdom
Hi all, I have been conversing with ianmcd, who ask me to send some details and photos of our heating problems, I sent a list of my wiring but when I attached the photos my computer went mad and partly packed up. If ianmcd, see's this could you please send me a message so I can try to send it all again. This is the set up of our wiring in case any one else has any idea's.

the wiring is as follows, number 1 in junction box has 3 brown wires 1 from main feed 1 from programmer 1 from room stat. Number 2 in box has 6 wires 1 black from boiler 5 blues, 1 from room stat, 1 from programmer, 1 from main feed, 1 from pump, 1 from 3 port valve. Number 3 in box all earths, from 3 port valve-boiler-programmer -pump-main feed- and tank stat. Number 4 in box 1 black from room stat 1 black from programmer. Number 5 in box 1 white from 3 port valve 1 grey/black from room stat Number 6 in box 1 white from programmer 1 red from tank stat. Number 7 in box 1 red from programmer 1 grey from 3 port valve 1 blue from tank stat. Number 8 in box 1 red from boiler 1 brown from pump 1 orange from 3 port valve.
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‘‘Tis true, a picture does tell 1000 words :D
Hi Rapid, thanks for your ideas I will try them tomorrow.

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