Find the LHECDV30 (Serial# GIDN3H0 / GIDL3H0 / M22K / LC0) Majestic Gas Direct Vent Fireplace Insert in the diagram listings shown below. Each diagram will take you direct to the LHECDV30 (Serial# GIDN3H0 / GIDL3H0 / M22K / LC0) Majestic Gas Direct Vent Fireplace Insert repair part listings and part views for your model.