Empire Natural Gas to Propane Conversion Kit for 3588X Floor Furnace 120in Manufacturer* Brand Type Diameter American 000 BTU s of Manufacturer* Brand Type Diameter American Metal HSS AC Triple Wall 8" (20 cm) American Metal HS AC Triple Wall 8" (20 cm) DuraVent DuraTech Premium 2" Solid Pack 8" (20 cm) DuraVent DuraPlus HTC 2" Solid Pack 8" (20 cm) DuraVent DuraPlus AC Triple Wall 8" (20 cm) Metal Fab Temp Guard 1" Solid Pack 8" (20 cm) Olympia Chimney Champion Chimney System 1" Solid Pack 8" (20 cm) Olympia Chimney SBI Division Venting Ventis 1" Solid Pack 8" (20 cm) SBI Venting Division Nexvent 1" Solid Pack 8" (20 cm) Security Chimney S 2100 + 2" Solid Pack 8" (20 cm) Selkirk CF Sentinel (CF) 2" Solid Pack 8" (20 cm) Selkirk Super Pro 2100 (ALT) 2" Solid Pack 8" (20 cm) Selkirk Super Vent 2100 (JM) 2" Solid Pack 8" (20 cm) *Specific components may be required depending on the chimney manufacturer ) 3 8" Ignition System Standing Pilot Piezo Number of Heat Settings on Manual Units 1 Heat Setting Safety Control Pilot Equipped with Automatic Shut off and Oxygen Depletion Sensor on All Models Shipping Weight 18 lbs Overall Dimensions Width 12" Depth 6" Height 22" Minimum Clearances to Combustibles Top 24" Each Side 6" Bottom to Floor (Wall Mounted) 2" Bottom to Floor (Floor Mounted) 2" Warranty Empire Natural Gas to Propane Conversion Kit for 3588X Floor Furnace