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**ProffesorPlumb** · 31-03-2008

Service valves go onto your feed on your cisterns.

Isolation valves go onto your feed pipework. So to taps - yes

They look similar, but principally they do exactly the same

31-03-2008	#5 (permalink)
ProffesorPlumb Moderator Join Date: Jan 2008 Posts: 159	Re: Why Aren’t Isolation Valves Compulsory? Service valves go onto your feed on your cisterns. Isolation valves go onto your feed pipework. So to taps - yes They look similar, but principally they do exactly the same