Other way round push fit on solvent weld
Push fit is a different material that’s capable of taking a higher temperature for a longer period without failure
Yep metric and imperial versions most likely if it’s old will be imperial and very brittle
Turn the water on slowly let it fill the pipe with hardly any pressure then once full finish off opening the stop tap
Well that’s strange as they’ve supplied me one recently I would push more and state there liable for showers and taps as there blocking up also you shouldn’t drink the tap water