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Post by wetfinger on May 17, 2019 13:27:53 GMT
How common are the nowadays? In ten years as a plumber I've only ever seen them in my own house and next door.
I've just redone next doors garden tap and had to chop some out. I notice no matter how hard you try you can't bang a Hep liner in there. Did you use inserts with them back in the '80's?
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Post by tomplum on May 17, 2019 17:54:48 GMT
they was the first pushfit and came out in th e early eighties So they've stood the test of time, they are now called Hep20, the inserts were just the metal ones with no seals on, so if they won't fit, they must have adjusted the internal Diameter of the pipe,  |
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Post by clart on May 17, 2019 17:57:57 GMT
Is the old acorn plastic pipe brown in colour Tom? I've come across that stuff now and then...
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Post by tomplum on May 17, 2019 18:02:04 GMT
it was grey that I used, I suppose there could have been brown as well,  |
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Post by clart on May 17, 2019 18:04:23 GMT
I remember the old Grey stuff, not that long ago really, how time flies....  |
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Post by dickpuller on May 17, 2019 18:33:22 GMT
The original Acorn was dark brown & had no barrier. It was a Polybutylene & very flexible. Fitted miles back in the day it was a revolutionary product at the time, then the shit hit the fan!!
As there was no barrier in the tube wall, oxygen would get into the central heating system. This caused all sorts of problems, the tube itself could start to fail, with it blocking with a Tea Leave type substance.
Hot & Cold Plumbing was completely fine👍
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Post by battle1066 on May 17, 2019 20:00:25 GMT
I've only seen then in old property, usually used for a frost repairs when central heating was a real luxury.
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