Find the RHE42 (Serial# N33A / B / F / G00 N31K00 / L00) Majestic Gas B Vent Fireplace Insert in the diagram listings shown below. Each diagram will take you direct to the RHE42 (Serial# N33A / B / F / G00 N31K00 / L00) Majestic Gas B Vent Fireplace Insert repair part listings and part views for your model.