Plumbing fittings

May 13, 2010 1 Replies

Please can someone tell me what the difference is between an 'isolating valve' and a 'service valve'? Screwfix sell both (made by Pegler): they are different in price but appear to do the same job.



TIA Nick.


A service valve has a tap connector at one end, and usually a compression fitting at the other. An isolating valve doesn't have a tap connector - they usually have compression or push-fit fittings.

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