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RSF Gravity Vent Kit – for most models (FO-V2 | FO-V3)


Authentic RSF Fireplace Gravity vent kits for use with most RSF wood burning fireplaces. This new part comes in RSF packaging and includes installation instructions.

What is the RSF Gravity Vent Kit used for?

The gravity vent kit makes it possible to send heat to a higher area or to an adjoining room. The gravity vent damper enables it to be closed and stop heat from coming out of the vent.

What is included?

  • Vent starter
  • Firestop
  • 5′ of Flex venting
  • Cast iron grill

Please Note: The gravity vent system can only be used with fireplaces that have exposed louvers.

Installation tips

These kits should be installed before the fireplace is framed in, otherwise they are quite difficult to add.

The RSF Gravity Vent Kits include the Vent Starter, Firestop, 5′ of Flex as well as the cast iron grill.

For just the replacement Vents please see this product FR99.13.99 end grill.

OEM Part Numbers:

  • FO-V2: RSF Gravity Vent Kit with Rectangular Grill and 5′ of flex
  • FO-V3: RSF Gravity Vent Grill with Square Grill and 5′ of flex
  • FO-DUCT5: Additional 5′ of flex
  • FO-D: Gravity Vent Damper

Applicable Models (most RSF models):

  • RSF Delta
  • RSF Delta 2
  • RSF Opel
  • RSF Opel 2
  • RSF Opel 3
  • RSF Opel 2000
  • RSF Opel AP
  • RSF Focus 320
  • RSF Onyx
  • RSF Onyx AP
  • RSF Oracle

This part may fit other RSF products as well. Please consult your owner’s manual to confirm.

WoodChimney.com stocks and sells other RSF replacement parts.  Please contact us if your part is not listed on our website.

This genuine RSF Gravity Vent Kit is in stock and ready to ship.

Weight 7 lbs
Dimensions 23 × 7 × 7 in

Square Grill Kit w/5' Flex, Rectangular Grill Kit w/5' Flex, Additional 5' Flex, Gravity Vent Damper


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