Ron can I step in as peace maker you are digging a big hole here mate please don't jump in , Harvest and the other engineers are only trying to help you out it may come across as negative criticism but be assured we know what's right and what's wrong , posting pictures of your work on here leaves you wide open to criticism I know this from past experiences but please don't see it as us ganging up on you, we as gas engineers have a duty to ensure that life and property is protected If there's a issue regarding the fittings you have used and I am not saying there is ! please , please address the problem and if not and your 100 per cent sure that your install Meets all the gas regulations then that's the end of it . Regards kop