Valves???


Postby the2ems » Fri Nov 21, 2008 9:59 am

Can someone please explain the difference between an isolating valve and a service valve. Which one should I use for an electric shower, and are the speedfit ones suitable? Thanks
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Postby plumbbob » Fri Nov 21, 2008 7:49 pm

In principle, they serve the same purpose, but what is usually referred to as a service valve is a small inconspicuous valve that is turned on and off with a screwdriver and an isolator is a larger valve with a handle (either a gate valve or stop tap).

Electric showers can use either a stop tap or service vale.

http://www.awin1.com/awclick.php?mid=12 ... Cocks-15mm

http://www.awin1.com/awclick.php?mid=12 ... -Pack-of-5
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Postby Steve the gas » Sat Nov 22, 2008 6:49 am

Hi,

They are the same thing, yes if its for a shower it will be fine if its a full flow valve.

Hth
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Postby the2ems » Sat Nov 22, 2008 3:59 pm

Thanks for the replies. :D
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Postby chris_on_tour2002 » Sun Nov 23, 2008 6:25 pm

use a full-bore isolator valve (the handle type) as this will give a better flow rate to the shower.
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