No the air will just splutter out of the taps for a minute or so. On a personal note I never turn any isolation valve off on a boiler as there is a very good chance it will leak. Stopcock all the way for me.
No the air will just splutter out of the taps for a minute or so. On a personal note I never turn any isolation valve off on a boiler as there is a very good chance it will leak. Stopcock all the way for me.
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