What bore is alkathene pipe?
On Saturday, February 19, 2005 at 4:44:10 PM UTC-4, Dave wrote:
My rising main is black alkathene (I think), the outside diameter is
close to 21.5mm - how can I find out what the bore is without removing
the fittings?
--
Dave S
(The return email address is a dummy)
Does anyone know the C-factor for blue alkethene pipe ?
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