Onoff

I've 16mm pex-al-pex to 15mm chrome like this:

Marine ply is better quality as far as I'm aware, 100% void free. WBP isn't.

Weather & Boil Proof

It's pristine in my Geberit cistern: Thinking about mine, it's vented to the loft in 32mm solvent waste. Been like that since install. Initially just open to the loft (loosely capped) but of late connected to the bathroom extractor as a nod to extracting pan "smells". .

Can't form if there's ice in there! ? Major fuel savings having an ice cold bathroom I find, nobody wants to go in there to run hot water! ?

Keep the bathroom around 10degC and this is not an issue.

He said the "word"! ?

Welcome. Think you might be our first American member?

Hmm...when I wanted to introduce a bleach shot tube it was shot down! ?

It's warming up via the rads but takes a while. Doesn't help some of the single pipe system runs, uninsulated, under the (again uninsulated), suspended floor which is vented to the outside via the air bricks. All cools down quick too.

Relax and find something to bite down on! ? Sitting here under a blanket in the (freezing) lounge, fantasizing about ripping up the suspended floor, screed rails and pumped concrete!

Erm...scrape with a sharp blade?

One bonus of WAGOs are they're maintenance free when compared to screw type terminals.

Not a bad "starter" kit as an intro into the world of WAGOs: https://www.screwfix.com/p/wago-basic-installer-box-75pcs/48808? 221s are similar but lower profile lever connectors. There's push fit types too. Watch a few videos to get a feel for them.

Hope it's not CCA, (copper clad aluminium). It's sh!t.

Just PVA any plastic conduit if you want to fill over it.

This is my socket box cutter, sure I paid a lot less but it was years ago. YouTube it for videos in use. https://www.screwfix.com/p/armeg-ebs-back-box-wall-chasing-installation-kit-7-pcs/67733? I'm about to lend that and the chaser(s) to a mate, will take pics before I do.

One of my chasers is that well known make "James Andrew's" and the other Einhell ? My back box cutter kit is Armeg

If you neatly cut all the boxes into the wall and chase between them then fit conduit then rewiring is easy. (Could even do in singles). Be careful on the depth of the boxes on the internal walls, you might be drifting into Part A if the walls are thin. Go EASY cutting the boxes! What are the walls made of? Brick, breeze, lightweight block etc? No need to to go up from a socket, into the loft, along and back down. Just come down to the first socket then go horizontal between sockets. Less cable required. A wall chaser is easy but can be VERY dusty without proper extraction kit. Google "NICEIC safe zone diagram" look for the diagram top right. Keep switches, sockets, in the "zones". Lots of info too on that sparkyfacts link.

You try it! ?

Do Screwfix still sell the No Nonsense stuff? I think not. You might get it cheap in B&Q on clearance: https://www.trade-point.co.uk/departments/no-nonsense-heating-inhibitor-500ml/53670_TP.prd#

From 5 Dec at Lidl: https://www.lidl.co.uk/en/p/happy-home/vonhause-3-blade-stove-fan/p27919

& the weight of course as we will be asked if we mention it to our other halves!

Faye's looks thank God! ?

Proving Faye does all the hard work! Congrats to you both! ?