"Flue Brushes"

Round Steel Wire – Double Spiral

No. 590 – Made to fit all sizes of flues from 1” to 6”

This heavy-duty flue brush is made of durable double spiral filaments and is equipped with ¼” NPT Pipe thread stem. Sizes available 1” to 6” flues. Note: Brush diameter is ¼” smaller than boiler flue size. ORDER BY FLUE SIZE. Flue sized brushes are ordered by the outside diameter of the flue and when order is filled the brush supplied is ¼” smaller to fit inside the diameter of the flue.
Boiler Flue Size Actual Brush Diameter Boiler Flue Size Actual Brush Diameter

1” – 1 ¼”

¾”-1”

3 ¼”- 4”

3” – 3 ¾”

1 ½” – 2”

1 ¼” – 1 ¾”

4 ¼” – 5”

4” – 4 ¾”

2 ¼” – 3”

2” – 2 ¾”

5 ¼” – 6”

5” – 5 ¾”
Combination Flue Brush and Scraper

No. 550 – Adjustable claws. Claws scrape off hard scale and round wire brush sweeps out remainder of deposits. Made for 2, 2 ½, 3, 3 ½ inch flues.

Combination flue brush and scraper. Scraper part constructed of malleable steel and spring steel, easily adjustable to remove hard scale deposits.  Stiff steel brush sweeps out remainder of scale to thoroughly clean flues. ORDER BY FLUE SIZE. Flue sized brushes are ordered by the outside diameter of the flue and when order is filled the brush supplied is ¼” smaller to fit inside the diameter of the flue.

Boiler Flue Size

Actual Brush Diameter

2”

1 ¾”

2 ½”

2 ¼”

3”

2 ¾”

3 ¼”

3”

4”

3 ¾”