If you use the handy SEARCH feature in the gray button bar just above you would find there are several threads in the history, one just within the past week.... here is the most recent one, which by the way is only half way down the current thread list for this group. :mrgreen: http://www.4042.com/4042forums/showthread.php?t=31966&highlight=propane+gas or this one http://www.4042.com/4042forums/showthread.php?t=31858&highlight=propane+gas or here http://www.4042.com/4042forums/showthread.php?t=29359&highlight=propane+gas and one more... http://www.4042.com/4042forums/showthread.php?t=28174&highlight=propane+gas