Contemporary
Design
Heater

Our customers tell us that the Onyx 2 has the most colorful, dynamic flames they have ever seen, the kind of flames which are impossible to duplicate with gas. The Onyx 2 can provide enough heat for the average house, burn overnight, and look great, all at the same time. Patented RSF technology enables the Onyx 2 to burn so cleanly that it is EPA certified to the same standards as the best freestanding wood stoves.

  • Large 3.1 cubic foot firebox.
  • EPA 2015 certified at an emission rate of 4.5gr/hours
  • Realistic firebrick lining.
  • Mobile home approved.
  • Takes 20” logs.
  • Can be installed into a masonry chimney using an RSF adapter and a UL/ULC listed stainless steel chimney liner.
  • Can be connected to a central heating system.

This fireplace is certified for use with 7" ICC Model EXCEL chimney only.

 

 

The RSF Comfort Advantage

Comfort is our specialty. We customize heat distribution from a wood fireplace throughout the home, including the basement. When the household temperature is tailored for a family at minimal cost and maximum efficiency, we call that the RSF Comfort Advantage.

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Onyx 2 - Contemporary Design Heater

Available Options

Clean Face FO-F2 + FO-V2
The Clean Face Kit is required on all complete clean-face installations. It consists of blocking plates that cover the grill openings and an air intake duct that brings air circulating in the home into the fireplace. Gravity vents are required in combinat
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Gravity Vent Kit
The gravity vent kit uses natural convection to distribute the heat generated by the fireplace to the same floor and/or floors above the fireplace
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Gravity Vent Damper
The Gravity Vent Damper can be installed on a louvered fireplace to add some control to the Gravity Vent (FO-V2).
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Inline Fan
Where additional air flow and heat output are desired, the Inline Fan is to be used in combination with the Intake Duct option (FO-CID, when available) or the Clean Face option (when available).
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Internal Blower
The internal blower kit will increase the circulation of heated air in the room where the fireplace is installed.
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Central Heat Blower Kit
The central heat blower kit enables the distribution of heat generated by the fireplace throughout many rooms and different floors using either dedicated ducts or the house central heating ducts.
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Central Heating Tee
This Tee allows you to have two Gravity Vents (FO-V2) on your fireplace and still be able to install the Central Heat option (FO-FDHB6-1).
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Heat Dump
The Heat Dump Kit contains all the parts necessary to circulate a moderate amount of heat from your fireplace to another room with a small fan.
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Rock Retainer Kit (Focus 320)
This rock retainer kit will allow you to finish your Focus320 fireplace with thin non-supporting facing such as tiles.
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Masonry Chimney Adapter
This adapter will attach to the liner with 3 stainless steel rivets (provided) and to the EXCEL chimney with 3 screws (provided).

Technical specs

General Specifications

Outside Dimensions

43"W X 43 1/4"H X 24"D

Shipping weight

564 lb

Firewood Length

20"

Firebox Size

3.1 cubic feet

Chimney

7" Excel

Door Finish

Black

Outside Air

4", meets R2000

Mobile Home Approved

YES

Performance

BTU Output Range

10,000 to 50,000

Heating Capacity

1,000 to 2,000 ft2

EPA Certification

note

Optimal Efficiency

77%