i have a 20 year old terry 5th wheel and i need the i/8inch propane line that goes from the furnace regulator valve to the thermocouple for the furnaCE. AANYONE HAVE AN IDEA WHERE I MIGHT OBTAIN THIUS OVER THE INTERNET. THERE MUST BE A SUPPER STORE ONLINE THAT SELLS ABOUT EVEYTHING. THANKS LARRY PLEASE REPLY(JARHEADVET@AOL.COM) furnace is about a 5000 btu small unit