Find the DV36 (Serial# with Robertshaw Valve [ 06N / 06na / 06NB0001 - 06NB1211 ]) Majestic Gas Direct Vent Fireplace in the diagram listings shown below. Each diagram will take you direct to the DV36 (Serial# with Robertshaw Valve [ 06N / 06na / 06NB0001 - 06NB1211 ]) Majestic Gas Direct Vent Fireplace repair part listings and part views for your model.