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Looks ok seal wise, but would be better suited to rigid fittings.

I doubt that's a universal backplate being part of the boiler. It would probably be better a new one and new/altered wiring at the boiler.

Not a full length of timber no, just a certain distance, thus allowing the clips to be fitted.

They look similar to Twyford ones I’ve fitted previously, I just usually drilled them in place afterwards, never had a problem.

I don’t think you’re going to gain much space, as, unless you fit a combi boiler then I don’t think there’s much else to heat your water, unless you get an electric boiler, which I believe are expensive. If the pressure is good, maybe an unvented cylinder? Your existing looks like a direct...

I’m guessing this is supposed to be in the plumbing section. Maybe the mods could move it? Re joining: Philmac transitional coupling? As above, what material? Maybe Polyorc, Uponor, 16mm et al?

G3 registered = Registered under G3 of the building regulations Part G MI = Manufacturers Instructions UV = Unvented

You have a 1/2” x 15mm tail in the radiator and the lockshield in the photo has a 1/2” x 3/4” thread for the valve connection. Are you replacing the faulty TRV with a lockshield?

Holy thread resurrection!

Yep, remember that from the video too :wink:. I find that more of a faff though. I’ve sent those crimpers back today. May get the toolstation ones, may not. I don’t do all that many tbh and none of our sparks seem to crimp, but I do find the odd one that’s been done.

You're just showing off now :LOL:

It wasn’t too bad tbh, once I’d initially figured it out and got the crimp to stay put. They feel decent, but I value your input and it was actually your video that inspired me to get some :wink: so I think I’ll send them back. There’s actually another section - above the 8-10 bit which clearly...

Yep, tried that and seemed good. I just worry a bit. I asked the Spark to who i sent to verify if a cross/link bond was required. He said its better than he would have done!

Yes, i thought that too. Not very clear imo. Who knows. Thats why i asked on here. Tbh, I wss with 2 minds as to send them back, but since they will do for what i want, i'll keep them. I have emailed the company, will let you know if/what they answer

Thanks John. Was just making sure as the figures above that gap state 4-6.

It didnt come with one. The pictures and tool is why i am asking - the marking above the largest crimp reads 4-6

So I bought this crimp tool so I can connect Bonding back up correctly. Am I correct in thinking that the largest one is for 8-10mm? Thanks

Your flexible connection is running uphill which might be your issue

As above, so many variants of ceramic cartridge, sometimes you can get certain ones to fit by a fluke, otherwise you need the make/model of tap.

Obviously being a security engineer? You’ve checked for frayed connections and a poor battery? What’s the supply voltage? Maybe vermin?