Technical Specifications of the RSF Onyx2 fireplace

Outside Dimensions	43"W X 44 1/4"H X 24"D
Weight (ship wt add 70 lb)	465 lb
Firewood Length	20"
Firebox Size ( 1 )	3.1 cubic feet
BTU Output Range ( 2 )	10,000 to 50,000
Heating Capacity ( 3 )	1,000 to 2,000 ft2
EPA Certification	note ( 6 )
Chimney	7" Excel
Door Finish	Black
Decorative Trims	FO-NDTG FO-NDTP
Ash Pan	FO-CAP
Gravity Vent Kit	FO-V2
Gravity Vent Damper	FO-D
Electric Wall Thermostat	FO-FDHC4
Heat Dump	FO-HD
Internal Blower	FO-FDHB5-N
Central Heating Blower 635 cfm	FO-FDHB6-1
Central Heating Tee	FO-T
Zone Heating Option	FO-FDHCZ1 & FO-FDHCZ2
Rock Retainer Kit	FO-KN
Clean Facing	FO-F2 + FO-V2 (2x) ( 7 )
Inline Fan	FO-CIF
Gas Log Provision ( 4 )	YES
Masonry Chimney Option	FO-FDM7
Firescreen	N/A
Outside Air ( 5 )	4", meets R2000
Mobile Home Approved	YES
Louver or Grill Options	Black, Gold Plated or Pewter Louvers & Decorative Grills

Note 1 :	Based on overall firebox dimensions, EPA official firebox dimensions are smaller.
Note 2 :	Actual BTU output depends on many factors, but primarilly on the quality of the wood burned.
Note 3 :	Depends primarilly on wood quality, ambient air temperature and building heat loss.
Note 4 :	These fireplaces may be drilled out to accept an after market gas log assembly. You may not install a gas lighter in any RSF fireplace because the high firebox temperatures will burn out the log lighter very quickly.
Note 5 :	All RSF models come equipped to accept a 4" outside air duct, a 5" can also be used. All models can also be installed to operate using room air.
Note 6 :	The Onyx2 is a non-catalytic EPA appliance certified @ 4.5 grams/hour.
Note 7 :	N/A on louvered Onyx2.