plastic pipes and showers
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i would use compression for the final connection to the shower have known pushfit blow off 
KEVPLUMB, Just been doing a search of the plumbing forum on past posts regarding various things, mainly plastic pipes and pushfits....
I must have read about four or five of your follow up replies which all say more or less the same thing, in that you have a lot of experience with pushfits blowing off your pipes.
Has anybody else experienced this???
I must have read about four or five of your follow up replies which all say more or less the same thing, in that you have a lot of experience with pushfits blowing off your pipes.
Has anybody else experienced this???
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The only case of "blow off" of a pushfit fitting I've encountered was were the ppe liner was omitted. The first time the heating system was brought up to full pressure and temperature, the pressure suddenly dropped. Following some clever detective work, I eventually located the point where the leak was (under sealed ground floor) and sure enough there was a pushfit joint with the liner missing from the plastic pipe.
you dont use pushfit for the final connection cos the tail is not made to a close enough tolerance
by all means use it for the rest
who dredged this up again
by all means use it for the rest
who dredged this up again
Vaguely thinking, don't those plastic tails have a rough feel to them? Don't push fit leak on them anyway?
Only pushfit I had come apart was either because I didn't fit it right home properly or because it pulled against something and demounted itself. I now use some white ones which you can lock to stop them demounting, but have the benefit that you can demount them as required.
For about a year I have been piping up under floor with barrier hepworth and these white fittings, all visible pipework continues to be copper, even in bathrooms and under kitchen sinks. The saving on labour is immense, but I still prefer those bits on show to look traditional.
The new builds around here have been entirely plastic for some time, and don';t they look a mess?
Only pushfit I had come apart was either because I didn't fit it right home properly or because it pulled against something and demounted itself. I now use some white ones which you can lock to stop them demounting, but have the benefit that you can demount them as required.
For about a year I have been piping up under floor with barrier hepworth and these white fittings, all visible pipework continues to be copper, even in bathrooms and under kitchen sinks. The saving on labour is immense, but I still prefer those bits on show to look traditional.
The new builds around here have been entirely plastic for some time, and don';t they look a mess?
are hdpe pipes rodent free nowadays
Who uses HDPE?
Just my tuppenceworth - I've seen one speedfit (pre twist-lock) pop off (it was a 22mm copper) but all the other makes I've ever seen, leak severely without being mis - assembled. I only use it where it's visible now.
Just my tuppenceworth - I've seen one speedfit (pre twist-lock) pop off (it was a 22mm copper) but all the other makes I've ever seen, leak severely without being mis - assembled. I only use it where it's visible now.
I believe tektight is best for joining to copper. I haven't had a leak yet on any well made joints to unblemished pipe.
sorry spelling error mdpe as in x barrier
Seen some real squirters on copper and plastic pipe. I don't think they're anything special, just a brass body. The bodies aren't what leak...
Haven't seen twist lock Speedfit leaking yet, but it hasn't been out long!
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