Stephen wrote:

Just curious to know why pushfit waste and solvent weld waste have
different external diameters?

Is this deliberate so that you can tell the two apart and don't try to
weld unweldable plastic?

Yup basically.

Would life be simpler if both were the same size?

I suppose if you favour pushfit then it would, however it would be a
right PITA if you were using solvent and kept finding joints that would
not weld.

--
Cheers,

John.

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