Empire Comfort Systems


Empire 4" DV844 Gas Furnace Flue Outlet Vent Tube Extension

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You can trust and enjoy the service of your gas furnace more when it is properly vented. Empire's flue outlet vent tube makes this possible even with walls between 13-19 inches in thickness. It becomes an essential venting if you have super thick walls or other space challenges or restrictions. This extension tube is specifically made for the Empire DV25SG and the DV35SG gas furnace installations. Safe and economical venting is a win-win for the conscientious homeowner.


  • Type:Extension Tube
  • Weight: 2.00 lbs
  • Size: 41"
  • Extends the flue outlet vent tube to fit walls from 13" to 19"
  • For use in Empire DV25SG and DV35SG gas furnace installations
* Please Note: A separately purchased Air Inlet Extension Kit is required to complete installation.

CA Residents: See Prop 65 WARNING.