I got a new tap for a pedestal basin. Looking at the existing fittings there is no local valve to shut off the water at the basin itself where the water pipes come out of the wall & connect to the mixer tap pipes.
All there appears to be is a brass male coupler visually identical this: https://www.aliexpress.com/item/22mm-Mlae-Thread-To-G-1-2-Male-Thread-Cooper-Straight-Connectors-Durable-Pure-Brass-Plants/32830027301.html
With no way to shut off the water at the tap itself, what can I do? I can turn off the internal stop cock, but what about the hot water? I've got a combi-boiler system ( 3 story house, the hot water tank & pressure tank are on the 1st floor - no tank in the loft - boiler in the kitchen ) & the house itself is a new build, ~2 years old.
My boss at work suggested that I should be able to turn off the internal stop cock & that should mean the pressurised hot water system will eventually stop flowing because it needs the mains water pressure to function? But I'd rather get the advice of people more in the know - I don't want to risk damage to the boiler system. E.g. the boiler in the kitchen explicitly states on the casing 'do not drain'.
Is my boss correct? Any other suggestions?