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Guys,
got a new hob but don't want to use a bayonet hose as this would be too big to fit behind the cooker. Manufacturers instructions say you can use a "flexible steel pipe" but I have not seen any of these around so I may have to get a gas engineer in to put in a 30cm long fixed pipe. How much do you reckon this would cost in Surrey ?
Nice picture of the job in hand incase someone on here is Corgi registered and fancies an hours work.....
I don't know where you got that from, fixed cooker hobs may be installed using a flexible hose, providing this is approved by the appliance manufacturer, or so say Corgi.
Does not help me in this case unless I bend the pipe with the bayonet hose socket back into the wall, not the prefered way.....
Apparently it's illegal to use a flexible hose behind a cooker anyway........
Alcazar
All free standing gas cookers/ranges have flexible pipes behind them?
My corgi engineer insists that hobs are hard piped, flexible connection to hobs does not comply with corgi regulations.
I have asked why it is ok to connect a moveable free standing cooker with a flexible, but not acceptable to connect a fixed hob, as surely there is more risk with the moveable item. But he cannot give me a valid technical reason, just states the corgi requirement for hobs to be hard piped.
For a gas hob you have to have an emergency shut off valve, so i would channel out the gas pipe so you can cut the pipe, attach a 15mm endfeed isolator, then use 10mm copper pipe to feed the hob.
All free standing gas cookers/ranges have flexible pipes behind them?
My corgi engineer insists that hobs are hard piped, flexible connection to hobs does not comply with corgi regulations.
I have asked why it is ok to connect a moveable free standing cooker with a flexible, but not acceptable to connect a fixed hob, as surely there is more risk with the moveable item. But he cannot give me a valid technical reason, just states the corgi requirement for hobs to be hard piped.
I believe its so that if you move the free standing cooker the flexi pipe does just that, flexes, rather than the isk of a fracture or broken joint
Not to mention the fact that connecting rigid pipework behind a free standing cooker could be a nightmare.
Bob I aggree your method is exactly what I want to have done in this case, I'm waiting for 5 local gas engineers to return my calls & emails.
But your statement about it being illegal to use a flexible hose is contradictory to the Corgi rules, they say it's ok if the manufacturers installation instructions allow it.
It is illegal to connect a gas hob with a rubber flexible hose when the hob is installed ABOVE an oven or other appliance giving rise to temps in excess of 70 deg C.
If the hob was to be above a kitchen cupboard, for example, then that is different.
Whatever the case, it must have an inline isolation device.
Not a qualified plumber myself, but I do a lot of house refurbs and employ a corgi guy (friend) and have learnt my stuff from him.
Gas Hob installation ?
