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Discuss does gas hob need rigid connection? in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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bluesky

Gas Engineer
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hi all, i am in training of gas safe, one plumber told me that gas hob should use rigid pipe, i know gas cooker can use flexible hose for connection but really not sure about gas hob...

cheers
 
it actually says in BS6891 that a flexi can be used unless otherwise stated in the MI that a rigid pipe must be used, it further expands that if a flexi is allowed it needs to conform with BS691 (I think it is this one) which says the flexi should not come in contact with a surface over 70 degrees C or subjected to damage from drawer runners etc
 
Here it is:

BS 6172

11.1.3 Unless stated otherwise in the manufacturer’s instructions, a gas hob shall be connected to the
termination point by a rigid fixed connection.
11.1.6 Where rigid pipework is used, an isolation valve with means of disconnection shall be provided.
 
rigid yes cooker hose no for a start it will be unlikely it can hang in a loop,secondly if its a built in oven under the hob it will touch it and melt and its so rough its like cowboy territory so cooper with a gas quality isolation valve the ONLY way to do it
 
the thing that amazes me is were suppose to keep wires away from gas pipes and on a hob they are allowed to come out adjacent they should be on opposite side of the hob
 
Kirk is using a different British Standard when he says "it actually says in BS6891 that a flexi can be used unless otherwise stated in the MI that a rigid pipe must be used,".

I think that I will stick with BS 6172 as thats in line with my recollection and I dont want to leard new tricks unless its absolutely necessary!

Tony
 
he knows them all ,he uses them every they and modified them to suit the job :))))
 
Kirk is using a different British Standard when he says "it actually says in BS6891 that a flexi can be used unless otherwise stated in the MI that a rigid pipe must be used,".

I think that I will stick with BS 6172 as thats in line with my recollection and I dont want to leard new tricks unless its absolutely necessary!

Tony

it is a typo by me, the quote is correct but as you say it is from 6172, (BS 6891 is for installation pipework)
 
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