Find the NVSR42 (Serial# G31 / G32 / G33A / HRS / A / CS) Majestic Gas B Vent Fireplace in the diagram listings shown below. Each diagram will take you direct to the NVSR42 (Serial# G31 / G32 / G33A / HRS / A / CS) Majestic Gas B Vent Fireplace repair part listings and part views for your model.