Director's Order FS-156-09 Monday, September 21 2009 @ 09:00 pm UTC Views: 6,437 Director's Order FS-156-09 - Natural Gas and Propane Fired Boilers Installations with an input of less than 300, 000 BTUH. Order FS15609 *Click image to enlarge. See Director's Order FS-072-06-R8