You PM Box is full, tried to reply, no luck...so I created a thread with some pics of the Vap Pipework for you, hope it helps,
http://www.landyzone.co.uk/lz/f10/wanagetmuddy-lpg-vapouriser-coolant-pipework-220667.html
http://www.landyzone.co.uk/lz/f10/wanagetmuddy-lpg-vapouriser-coolant-pipework-220667.html