DuraVent - Appliance Adapter/Increaser Harmon 3" - 4" (black)
Use to increase vent diameters. Specifically designed for Harman Pellet Stoves.
- Available increasing sizes : 3"
- Designed Exclusively for Use with Harman Brand Pellet Stoves
- Harman Stoves Utilize a Slightly larger Outlet Inner Diameter which disallows the Standard-Style Adapter from Fitting Correctly
- High Quality Double Wall Chimney Pipe Constructed from Galvalume
- Fit for Use with Biofuel, Oil or Pellet Fuel Types
- UL Listed
Typical Instructions(Refer this if required)
Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.
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