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Wohler Viper Chimney and Vent Duct Cleaning Tool 7649
Wohler Viper Chimney and Vent Duct Cleaning Tool 7649

Wohler Viper Chimney and Vent Duct Cleaning Tool 7649

Part Number: 7649
3 Review(s)
Wohler Viper M Vent Duct Chimney Cleaning Tool Wohler 7649 with GRP rod is used for cleaning flue gas systems. The Wohler 7649 is operated utilizing the push-pull technique for sweeping chimneys and ducts up to 10" diameter.


Key Features:

  • 50 ft of 7mm diameter GRP Rod
  • Lightweight - sweep from above or below
  • Integrated holder can carry up to 2 star style brushes


The GRP (glass fiber reinforced plastic) rod (0.3" Diameter) has a resistant coat and length marking to keep track of how far into a duct run you are. The integrated brush holder can hold up to 2 star type brushes and be capped with an M10 threaded brush to create a custom brush for your application.

The unit weighs approximately 5 lbs and can be easily clipped to a belt for operation on a roof. Made in Germany.



*** Due to the variety of uses and needs, Viper cleaning systems do not include a cleaning brush. ***


Brush Buying Tips:

Brushes should be roughly 2" larger than the diameter of the duct being cleaned.

Wohler Brush Parts List


Brush Types:

Stainless Steel Crimp Wire: Thin stainless steel wires that have been crimped. Excellent for soft to medium soot in all chimneys.
Stainless Steel Flat Wire: Premium flat wire for harder deposits in masonry/tile chimneys.
Perlon: Black plastic fiber for light condition sweeping in stainless steel chimneys. Heat tolerant to 122°F.
PEK: High Tech Synthetic Fiber for light condition sweeping in stainless steel chimneys, ducts, or pellet stoves. Heat tolerant to 300°F (Higher Temperature tolerance available).
On Sale: $431.10
Retail Price:$479.00
You Save:$47.90(10%)
Availability: in stock
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Wohler Viper M Vent Duct Chimney Cleaning Tool Wohler 7649 with GRP rod is used for cleaning flue gas systems. The Wohler 7649 is operated utilizing the push-pull technique for sweeping chimneys and ducts up to 10" diameter.


Key Features:

  • 50 ft of 7mm diameter GRP Rod
  • Lightweight - sweep from above or below
  • Integrated holder can carry up to 2 star style brushes


The GRP (glass fiber reinforced plastic) rod (0.3" Diameter) has a resistant coat and length marking to keep track of how far into a duct run you are. The integrated brush holder can hold up to 2 star type brushes and be capped with an M10 threaded brush to create a custom brush for your application.

The unit weighs approximately 5 lbs and can be easily clipped to a belt for operation on a roof. Made in Germany.



*** Due to the variety of uses and needs, Viper cleaning systems do not include a cleaning brush. ***


Brush Buying Tips:

Brushes should be roughly 2" larger than the diameter of the duct being cleaned.

Wohler Brush Parts List


Brush Types:

Stainless Steel Crimp Wire: Thin stainless steel wires that have been crimped. Excellent for soft to medium soot in all chimneys.
Stainless Steel Flat Wire: Premium flat wire for harder deposits in masonry/tile chimneys.
Perlon: Black plastic fiber for light condition sweeping in stainless steel chimneys. Heat tolerant to 122°F.
PEK: High Tech Synthetic Fiber for light condition sweeping in stainless steel chimneys, ducts, or pellet stoves. Heat tolerant to 300°F (Higher Temperature tolerance available).

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