aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaLaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaMJKNE33 Gas InsertModel E33-NG1 E33-LP1Fuel Type Natural Gas PropaneMinimum Supply Pressure 5” W.C. (1.25 kPa) 12” W.C. (2.99 kPa)Manifold Pressure - High 3.8” W.C. (0.95 kPa) 11” W.C. (2.74 kPa)Manifold Pressure - Low 1.1” W.C. (0.27 kPa) 2.9” W.C. (0.72 kPa)Orifice Size -Altitude 0-4500 ft. #31 DMS #50 DMSMinimum InputAltitude 0-4500 ft. (0-1372m)20,000 BTU/h(5.86 kW)19,000 BTU/h(5.57 kW)Maximum InputAltitude 0-4500 ft. (0-1372m)38,000 BTU/h(11.14 kW)35,500 BTU/h(10.40 kW)Vent Sizing 3” Co-linear 3” Co-linearMinimum Fireplace DimensionsThe minimum fireplace dimensions for the FPI gas fireplace insert areshown in the following diagrams:Dimension Description Contour FaceplateJ Height 24-3/16” (614mm)K Width 32-1/4” (819mm)L Depth 17” (432mm)M Max. Lintel Bar Depth 8” (203mm)N Rear Width 25” (635mm)ACBHDGFE30°Dimension Description E33A Faceplate Width 45-9/16” (1157mm)B Faceplate Height 31-1/8” (791mm)C Unit Width 32-1/4” (819mm)D Unit Height 23-13/16” (605mm)E Unit Depth 16-3/4” (426mm)F Faceplate to Vent Centerline 11-1/4” (286mm)G Faceplate Depth 1-3/8” (35mm)H Height to Vent Collar 23” (583mm)I Optional or Standard Front Depth N/AE33 Gas InsertApproved Venting SystemsFlex Vent Systems: FPI AstroCap™ Flex Vent127June 2007 Regency Product Specifications BookGas InsertsGas Inserts