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Hi. Sorry to keep pestering. Could you advise which drill bits and length you use as struggling to find decent length drill bits that mention cutting into steel. Thank-you

Thank you

Thanks for the reply and advice. Got to be a long reach pilot bit though. Do you know what thickness you use as I have drilled out the threads before trying to drill the screw heads off! Again, 5hanks for the reply and advice

Oh, and if you wouldn't mind, it would be good to know the bits you use in the impact driver as well as the impact driver is a great tool for getting tough screws out a

Hi. Can you tell me what size drill bit you use to drill out the screws as I have one where the screws have rusted and I cannot get them to budge. So need to drill them out. Also, can you recommend some nice long length screw drivers as I am in need of a new set. Thanks

Thanks Ian. Good to know. In no rush to replace it.

Thank you for clarifying this. Appreciate it.

I see. Just to the live then at the boiler

Electric unvented cylinder.

Hi all. I hope you are all well. I want to wire a wireless room thermostat to a old ideal classic boiler which just serves central heating. It has a single channel programmer which switches on the boiler. No zone valve fitted. I believe I just run the heating on wire from the programmer (it must...

Totally understand. Thanks for your patience Muggles. Think I can actually take the brown from the valve with the live to the pump to pump connection as in the picture and then switch live from boiler 1 connection to switch live in wiring centre. No need for grey and orange wires from the valve.

Hey, I see most of the other ufh wiring centres are able to take a second zone valve bit I am thinking this one doesn't? Do you think the links that are shower from power to pump 2 and boiler 1 are already there? Think I must be over thinking this...

Really confusing these ufh wiring centre aren't they.

Doh! Missed the orange from the valve. That make sense?

Just got around to thinking about this. Not sure if you can understand my sketch or not as it is a bit like spaghetti junction. Like a lot of heating system wiring done in a single back box.

Thanks for the reply. Appreciate the advice. So I can take the pump supply from ufh manifold to the LNE in my wiring centre, send a live from the pump in my wiring centre to the ufh wiring centre and then use the a supply from boiler 2 in ufh wiring centre to switch live on valve (brown wire)...

Ahh gutted. Thought I would get one reply. Stem usually answers my questions but no such luck. Could anyone point me in the correct direction? I was typed into Google the issue I have and a thread came up on this site with someone who was asking the same questions as me. I accidentally closed...

Hi all. I hope you are well. I have just installed a underfloor heating manifold with the above controls.mplease see image attached. This is attached to a combi where I have installed 2 zone valves so basically an S plan. Now looking at the wiring centre schematic, it does not go from the usual...

Thank you so much for the informative reply. And for giving me the low down on the forum rules. I shall remember this for next time. It is as you say, boiler and programmer downstairs, wiring centre in airing cupboard and stat in the hall downstairs. Hopefully I can disconnect the programmer...

Hi. I know this thread is old but need a bit of advise on where you remove and link the wires from the room stat. On an Honeywell S plan, do you remove terminal 4 and terminal 5 and then link the terminals together? So the stat wires are useless? This way you cannot use the old stat wires for t1...