most important thing u need is a gas pipe :wink: if u r fitting a standard oven&gass hob (up to 3kw) all u need is a socket outllet in yr kitchen,preferably a double(u will have an igniter 2 plug in 4 yr hob)
icant really c the point of a double pole switch on this fan/light(the fan :idea: ) however if the manufact. spec.says so nothing wrong with putting it on yr lighting circuit.