HT asked ... Radio code Philips 22RC200/35?    |    Roberta asked ... DW5080?    |    Dave asked ... Toilet Push Button not flushing properly?    |    Dave asked ... Repair kettle lid?    |    Sandy asked ... Replace vertical gear on Singer Fashion Mate 252?    |    Click here to ask your question

how do i wire a three wire thermostat into my central heating system?

I have a central heating system which i would like to wire in a three wire thermostat
john smith, March 2009
what boiler do you have

STE, March 2009