Hi D_Halisham my RMT seems to have no wire at terminal 3
Blue wire to no 4
Red to no 1
Yellow ( with red sleeve) to no 2
Earth seems to go to back of unit
I have a Danfoss RMT230 room stat and having had my boiler replaced the engineer removed the programmable timer and all I am left with is the basic timer on the combi ( a Baxi platinum combi 33 ) and the Danfoss.
Would it be possible to replace the Danfoss with a programmable thermostat to...