Being very lazy but I guess someone here will know......
Is there a commonly available plastic pipe (B&Q etc) with an internal size
of 28mm or slightly over?
I want to sleeve a flexible air con drain pipe where it goes through the
I'll head for B&Q sometime with my flexi tube into and see if they have
anything it will fit into.
32 or 40mm plastic might do. Note that you have the option of
solvent weld or pushfit pipework, as they are slightly different
sizes, and one might work where the other won't.
IIRC, I sleeved by 28mm gas pipe with 40mm plastic waste.
[email address is not usable -- followup in the newsgroup]
32mm sounds good. I assume that would be outside diameter so I guess my 28mm
drain would be a reasonably snug sliding fit. I'll pop in B&Q sometime and
try it for size.
My 30mm core drill wouldn't fit my arbor so I had to go for a 38mm hole
which is going to be a bit draughty in winter. If I can sleeve it and use
squirty foam between sleeve and brick, that should cut the draught down.
If I only knew where my verniers were I'd double check the size. It willl
only need to slide an inch or two if the air con ever needs to come off the
wall. Taking it with me and trying for size is the easiest way.
At least I now know there is a standard size of pipe that is close to what I
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