i have got a seperate cistern and pot connected by a flush pipe,i cannot change it to close coupled as the soil pipe connection is too far of the wall,were the pan connector connects to the soil pipe there is a big fat ugly pot collar, my question is can i cut this off,at ground level and what would i use to do that , i 've seen something similar done before and the soil pipe left is not circular more oval,will i be able to get a good seal or is there something out there to allow for this.thanks
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