Find the 36BDVR (Serial# B12H / I0B / B14 / 16 / 17 / 18A / B / H / I0B) Majestic Gas Direct Vent Fireplace in the diagram listings shown below. Each diagram will take you direct to the 36BDVR (Serial# B12H / I0B / B14 / 16 / 17 / 18A / B / H / I0B) Majestic Gas Direct Vent Fireplace repair part listings and part views for your model.