RSF Delta Fusion – Secondary Air Tubes (FR-99.07.03.DF/FR-99.07.04.DF)

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Product Description

These are OEM RSF Delta Fusion Secondary Air Tubes. There is a Front Air Tube and a Rear Air Tube. You can select either individually, or together from the drop down menu.  These are genuine RSF replacement parts that will ship new in their original packaging, they are not aftermarket copies.

Important Note: These air tubes are compatible with the Delta Fusion only. There are older models of the RSF Delta (Delta, Delta 2, Delta AP). If you have one of these models – you can find the compatible air tubes here. 

RSF Part Numbers:

  • FR-99.07.03.DF : Front Secondary Air Tube
  • FR-99.07.04.DF: Rear Secondary Air Tube

Applicable Models:

  • RSF Delta Fusion Wood Fireplace

Purpose: Secondary air tubes in wood burning appliances are designed to add preheated air to the top of the firebox.  The preheated air mixes with wood gases to create a clean burn ensuring optimal efficiency from your stove.  If they are damaged, cracked or deteriorating in any way, they should be replaced.

Installation tips:  Place a screwdriver (any style except flat head) into one of the air holes and tap it with a hammer/mallet to the left until the right end of the tube is freed.  To install a secondary air tube, reverse the above instructions.

IMPORTANT: All secondary air tubes must be in place for proper operation. Highlighted in yellow in product image.

If your part is not listed on our website, please contact us and we would be happy to help try and source it!

These genuine replacement RSF Delta Fusion Air Tubes are in stock and ready to ship.

Shipping Dimensions

Weight .5 lbs
Dimensions 30 × 3 × 3 in

Replacement parts come with a 90 day warranty unless otherwise stated.

All Gas or Pellet components must be installed by a licensed technician.
All Gas or Pellet component warranty claims must include installation receipt to qualify for warranty.

Please contact Online Store Support with any warranty questions.


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