I need to replace the controller as the display is going (lines across). It must be 25 to years old!! If I get a circuit breaker trip I lose all the stored settings because the fitted rechargeable battery has long corroded and has gone. In any case I can only set one temperature for the CH when...
Thanks for the replies guys, much appreciated.
What I was hoping to do was to replace the present programmer with say the Hive receiver which connects to the boiler via the wiring centre using either the existing base plate or changing it if necessary. That's why I needed to know if the...
Hello
I am trying to find out about the wiring for Sundial y-plan and its compatibility with different programmers.
The CH/HW system that I have is a fully pumped system with mid-position diverter valve, Sundial Y-plan. The present old controller is an old ACL Lifestyle (LS722) controller in...
