Make a plywood bracket (4 fogwash) and mount it on the back door(s) with self tappers, that way the C.O goes straight upwards with out poncing about with flue's ( btw peter reckons they dont like 90 degree bends?) - Ive got 1 on each back door, to feed each hose reel (via flow controllers). You CAN split 1 hotwash between two reels, but if one man turns his tap off, then your temp will rise. No worries in summer but maybe in the winter!, and thats why i bought another one. Also tim above come up with a good idea of fitting temp gauges to your poles as a precaution, which im now doing, its my first winter so im worried about cracking glass. Watch this space.