HZ54E Gas FireplaceModel HZ54E-NG11 HZ54E-LP11Fuel Type Natural Gas Propane GasMinimum Supply Pressure 5” W.C.(1.25 kPa) 12” W.C. (2.98 kPa)Manifold Pressure - High 3.5” W.C. (0.87 kPa) 10” W.C. (2.49 kPa)Manifold Pressure - Low 1.6” W.C. (0.40 kPa) 6.4” W.C. (1.59 kPa)Orifice Size #30 DMS #49 DMSMinimum InputAltitude 0-4500 ft.(0-1372m)29,000 BTU/h (8.50kW) 30,000 BTU/h (8.79kW)Maximum InputAltitude 0-4500 ft.(0-1372m)41,500 BTU/h(12.16 kW)37,000 BTU/h(10.84 kW)Vent Sizing 5” Inner / 8” Outer 5” Inner / 8” OuterCSA P.4.1 64.45% 67.72%Unit Dimensions:Faceplate & Door Frame Dimensions:FramingDimensions Description HZ54E-11A Framing Height 46-5/8”B Framing Width 60”C* Framing Depth* 23-3/4”D Minimum Height to Combustibles 51”E Corner Wall Depth 69”F Corner Facing Wall Width 97-9/16”G Vent Centerline Height 44”R Non-combustible Facing Height 20”S Gas Connection Opening Height 1-1/2”T Gas Connection Height 4”U Gas Connection Inset 7-1/4”V Gas Connection Opening Width 3-1/4”* Framing depth measurement is noted with the side nailing strips set asfar forward on firebox as possible. The side nailing strips can be adjust-ed back up to 3-1/8” to allow for varying thicknesses in non-combustiblematerial & wall finishes.Important: The minimum framing dimensions given for height, width anddepth must be maintained even if using non combustible material.Dangerous operating conditions will occur if minimum framing dimen-sions are not adhered to.Framing Dimensions:Approved Venting SystemsFlex Vent Systems: FPI AstroCap™ Flex VentRigid Pipe Vent Systems: Simpson Direct Vent Pro®Selkirk Direct-Temp™Metal-Fab® Sure SealICC Excel DirectHZ54E-11 Gas Fireplace | 1