Inquiry (采购产品): problem with heater i have a 50000 btu high intenstiy propane heater. only one year old . flame is rolling off end of heater and scorching the ceiling above it. it is install at right angle and gas pressure is set at 10" w.c. Iam a gas tech. with 15 years exp. but have not worked on to many of these units. **** Hidden Message ***** Mark Wagler ON L1K 2C7 CAN Company: Buttons heating inc Title: Service Manager Phone: 1 905 424 0559 E-mail: mcwagler@hotmail.com **** Hidden Message ***** mcwagler@hotmail.com