U underpar12 May 25, 2012 #1 can anyone give me a wiring diagram for a y plan system with a programeable room stat please.
Amp David - Mentor Arms Joined Oct 2, 2009 Messages 5,115 Reaction score 911 Location Glossop May 25, 2012 #2 How about here http://www.electriciansforums.net/central-heating-systems/11718-central-heating-diagrams.html
How about here http://www.electriciansforums.net/central-heating-systems/11718-central-heating-diagrams.html