I'm installing a Ideal Standard 'Space' back-to-wall' wc. A high level concealed cistern sits within a boxed-out wall, which will also contain a stub stack, directly behind the wc.
If I measure everything correctly: height etc. is there anything to stop me connecting the porcelain horizontal outlet of the pan, directly into a branch connection on the stub stack. I'm using hepworth stack plastic drainage with rubber ring seal which fits nice and snug over the outlet from the pan.
I know you often use a wc connector, which might be straight or elbowed in some way and has more rubber fins in the seal, but using a straight connector in line will increase the distance between the wc pan and the stack, defeating the whole purpose of using a space-saving wc arrangement.
I don't want this to leak for obvious reasons.
Thanks once again.
KB, Oxford