Recent content by denv

I took out the new wiring and replaced it with the link, in lr/ls boiler working fine.so is the new stat faulty

I checked the wiring and you're right stem, however the boiler is still not firing up. Any idea why?

Hi, I have just installed an Honeywell DT90E room thermostat to a Worcester Combi 30si but the boiler is not firing up when I'm increasing the room temperate on the thermostat. I've wired the Honeywell DT90E room thermostat with the following:- A on the stat to LR on the boiler B on...

So lr to A and ls to B?

Hi, Thanks for the reply. I have taken two photos below to show you the wiring diagram. Previously the boiler wasn't hard-wired, it ran off a wireless controller. So my question is, can you simply explain what wire(s) go where based on the diagram (photo) i've included below please...

honeywell dt90e

Can someone advise me how to hard wire a honeywell dt90e room thermostat to a worcester 30 si combi boiler.