Tube Brushes

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Schaefer Brush ā€” Flue, Boiler & Furnace Brushes ā€” Ships Today from Memphis, TN

Tube Brushes for Boilers, Flues & Furnaces ā€”
Schaefer Brush Flue Brushes & Cleaning Accessories

We stock Schaefer Brush flue brushes, boiler tube brushes, furnace cleaning brushes, and fiberglass rods for cleaning boiler flues, heat exchanger tubes, and furnace sections. Tempered wire flue brushes available in sizes from 1" to 3Ā½" brush diameter ā€” plus extended-length brushes with handles and fiberglass rods for deep cleaning. Free same-day shipping from Memphis, TN since 1967.

Stocking distributor: Schaefer Brush
Can't Find Your Size? Call Us Call (901) 458-2000
Schaefer Brush ā€” Industrial Quality Flue Ā· Boiler Ā· Furnace Brushes 1" to 3Ā½" Brush Diameters Stocked Free Same-Day Shipping
Industrial GradeSchaefer Brush ā€” spring grade tempered wire, double spiral double stem construction for commercial use
Full Size RangeFlue brush sizes from 1" to 3Ā½" brush diameter to fit standard boiler flue and tube sizes
Boiler MaintenanceEssential tool for annual boiler cleaning ā€” remove soot and deposits from flue tubes and heat exchanger surfaces
Same-Day ShippingOrders by 2 PM CT ship same day ā€” always free

Schaefer Brush ā€” About the Brand

We stock the Schaefer Brush line for boiler and furnace maintenance. Call our team if you need help selecting the right brush size or type for your application.

Schaefer Brush Manufacturing
Industrial Flue Brushes, Boiler Brushes & Furnace Cleaning Brushes ā€” 28 Products

Schaefer Brush Manufacturing (Waukesha, Wisconsin) produces industrial-quality cleaning brushes for HVAC technicians and boiler maintenance professionals. Their flue and boiler tube brushes are the standard for commercial boiler cleaning ā€” designed for heavy use under demanding conditions.

The 43xxx series flue boiler brushes feature spring grade tempered wire, double spiral double stem construction with 1/4" male pipe thread fittings ā€” designed for cleaning flues and boiler tubes with medium level deposits. These brushes connect to extension rods and handles for reaching deep into flue sections.

We also stock extended-length complete units ā€” the 30658 (6ft flue brush with handle), 76220 (4ft furnace cleaning brush), and 76524 (2ft radiator cleaning brush) ā€” as well as extension rods including the 30666 (6ft fiberglass rod) and 43513 (4ft handle) for building out custom cleaning configurations.

43xxx Flue BrushesTempered WireDouble Spiral Double Stem6ft Complete UnitsFiberglass RodsExtension Handles

Brush Types We Stock

Flue Boiler Brushes (43xxx Series)

Spring grade tempered wire, double spiral double stem, 1/4" male pipe thread. For cleaning boiler flue tubes and heat exchanger tubes with medium-level soot and deposit buildup. Available in brush diameters from Ā¾" to 3Ā½". Connects to extension rods and handles.

Complete Brushes with Handles

Ready-to-use brush and handle combinations for furnace and flue cleaning: 30658 (6ft flue brush with handle), 76220 (4ft furnace cleaning brush), 76524 (2ft radiator cleaning brush). No additional rods needed.

Extension Rods & Handles

Extend your reach for deep flue cleaning: 30666 (6ft fiberglass rod, 1/4" connection), 43513 (4ft handle, 9/16" connection). Use with 43xxx series brush heads to reach the full depth of boiler flue sections.

Pipe & Fitting Brushes

43622 brass brush for Ā¾" pipe. Used for cleaning pipe IDs and fittings during installation and maintenance. Brass filament for use on softer metals without scratching.

Sizing ā€” Flue vs. Brush Diameter

Schaefer lists brushes by the flue OD and the brush diameter. The brush diameter is larger than the flue size to ensure the bristles contact the tube wall. Match the flue size column in the size table to your tube's outside diameter. The 433xx (SS/DS Premium) series has a larger brush diameter than the 432xx (DS/DS) series for the same flue size.

How They Connect

43xxx series flue brushes have a 1/4" male pipe thread fitting ā€” they screw directly into compatible extension rods and handles. The 43513 4ft handle uses a 9/16" connection. The 30666 fiberglass rod uses a 1/4" connection compatible with 43xxx brushes.

Flue Brush Size Guide ā€” 43xxx Series

The 43xxx series are the standard boiler flue brushes. Listed by flue size (the tube you're cleaning) and brush diameter. All have 1/4" male pipe thread connection and spring grade tempered wire filament.

SKUFlue / Tube SizeBrush DiameterSeriesShop
432061" flueĀ¾" brushDS/DSShop
432081Ā¼" flue1" brushDS/DSShop
432121Ā½" flue1Ā¼" brushDS/DSShop
432162" flue1Ā¾" brushDS/DSShop
432182Ā¼" flue2" brushDS/DSShop
432242Ā¾" flue2Ā½" brushDS/DSShop
432263" flue2Ā¾" brushDS/DSShop
432283Ā¼" flue3" brushDS/DSShop
432852Ā¾" flue2Ā½" brush Ā· 3/8" connectionDS/DSShop
433081Ā¼" flue1Ā½" brushSS/DS PremiumShop
433121Ā½" flue1Ā¾" brushSS/DS PremiumShop
433141Ā¾" flue2" brushSS/DS PremiumShop
433162" flue2Ā¼" brushSS/DS PremiumShop
433182Ā¼" flue2Ā½" brushSS/DS PremiumShop
433242Ā¾" flue3" brushSS/DS PremiumShop
433323Ā½" flue3Ā¾" brushSS/DS PremiumShop
433343Ā¾" flue4" brushSS/DS PremiumShop

DS/DS = Double Spiral / Double Stem (Master Clean series)  Ā·  SS/DS = Single Spiral / Double Stem (Premium series ā€” larger brush diameter for same flue size). Can't find your size? Contact us or call (901) 458-2000 ā€” Schaefer makes brushes up to 13" diameter.

Complete Brushes & Accessories

View all 28 ā†’
306586ft Flue Brush w/ Handle 306666ft Fiberglass Rod Ā· 1/4" Connection 762204ft Furnace Cleaning Brush 765242ft Radiator Cleaning Brush 435134ft Handle Ā· 9/16" Connection 43622Brass Brush for Ā¾" Pipe 93716Schaefer Brush Accessory All Schaefer ProductsBrowse complete catalog

Quality Tube Brushes for Efficient Cleaning

Our selection of tube brushes is designed specifically for the maintenance and cleaning of boilers, flues, and furnaces. With Schaefer Brush Flue Brushes and other cleaning accessories, you can ensure optimal performance and longevity of your heating systems.

Why Choose Our Tube Brushes?

  • Versatile Applications: Suitable for various sizes and shapes, our tube brushes are perfect for maintaining efficiency in your heating systems.
  • High-Quality Materials: Constructed with durable bristles and sturdy handles, our brushes are built to withstand repeated use in rigorous environments.
  • Easy to Use: The ergonomic design makes our tube brushes easy to handle, allowing for quick and thorough cleaning.

Explore Our Product Range

Our extensive range includes multiple options to cater to your specific cleaning needs. Here are some of the products available:

Descending into the depths of your boiler or furnace cleaning process shouldn't be daunting. With our tube brushes, you can achieve efficient cleaning that enhances the operation and safety of your systems.

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  • Schaefer Brush 93716
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    Schaefer Brush

    SKU: 93716

    93716

    $39.99
    1 in stock
  • Schaefer Brush 76524 2ft Radiator Cleaning Brush
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    Schaefer Brush

    SKU: 76524

    76524

    $34.99
    4 in stock
  • Schaefer Brush 76220 4ft Furnace Cleaning Brush
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    Schaefer Brush

    SKU: 76220

    76220

    $39.99
    5 in stock
  • Schaefer Brush 43622 BRASS BRUSH FOR 3/4" PIPE
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    Schaefer Brush

    SKU: 43622

    43622

    $39.99
    1 in stock
  • Schaefer Brush 43513 4ft Handle - 9/16" Connection
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    Schaefer Brush

    SKU: 43513

    43513

    $39.99
    1 in stock
  • Schaefer Brush 43332 3 1/2" Flue - 3 1/4" Brush
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    Schaefer Brush

    SKU: 43332

    43332

    $39.99
    1 in stock
  • Schaefer Brush 43324 2 3/4" Flue - 2 1/2" Brush
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    Schaefer Brush

    SKU: 43324

    43324

    $39.99
    6 in stock
  • Schaefer Brush 43318 2 1/4" Flue - 2" Brush
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    Schaefer Brush

    SKU: 43318

    43318

    $59.99
    5 in stock
  • Schaefer Brush 43314 1 3/4" Flue - 1 1/2" Brush
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    Schaefer Brush

    SKU: 43314

    43314

    $59.99
    5 in stock
  • Schaefer Brush 43308 1 1/4" Flue - 1" Brush
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    Schaefer Brush

    SKU: 43308

    43308

    $59.99
    11 in stock
  • Schaefer Brush 43285 2 3/4" Flue Brush, 3/8" Conn.
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    Schaefer Brush

    SKU: 43285

    43285

    $39.99
    1 in stock
  • Schaefer Brush 43226 3" Flue - 2 3/4" Brush..
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    Schaefer Brush

    SKU: 43226

    43226

    $39.99
    5 in stock
  • Schaefer Brush 43224 2 3/4" Flue - 2 1/2" Brush
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    Schaefer Brush

    SKU: 43224

    43224

    $39.99
    7 in stock
  • Schaefer Brush 43218 2 1/4" Flue - 2" Brush
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    Schaefer Brush

    SKU: 43218

    43218

    $39.99
    1 in stock
  • Schaefer Brush 43216 2" Flue - 1 3/4" Brush
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    Schaefer Brush

    SKU: 43216

    43216

    $36.99
    7 in stock
  • Schaefer Brush 43212 1 1/2" Flue - 1 1/4" Brush
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    Schaefer Brush

    SKU: 43212

    43212

    $39.99
    6 in stock
  • Schaefer Brush 43208 1 1/4" Flue - 1" Brush
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    Schaefer Brush

    SKU: 43208

    43208

    $39.99
    5 in stock
  • Schaefer Brush 43206 1" Flue - 3/4" Brush
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    Schaefer Brush

    SKU: 43206

    43206

    $39.99
    5 in stock
  • Schaefer Brush 30666 6ft Fiberglass Rod, 1/4" Connection
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    Schaefer Brush

    SKU: 30666

    30666

    $59.99
    8 in stock
  • Schaefer Brush 30658 6ft Flue Brush W/Handle
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    Schaefer Brush

    SKU: 30658

    30658

    $59.99
    2 in stock

Can't find the right brush size?

Tell us your boiler make, model, and flue tube diameter ā€” we'll find the right Schaefer brush.

Talk to an Expert Call (901) 458-2000

Tube Brushes ā€” Frequently Asked Questions

Common questions about Schaefer Brush flue brushes and boiler tube cleaning. Contact our team or call (901) 458-2000 for sizing help.

What size flue brush do I need for my boiler?

Match the flue tube size listed in the size table to your tube. Schaefer lists brushes by the flue OD (outside diameter of the tube being cleaned) ā€” the brush diameter is larger than the flue size to ensure the bristles contact the tube wall. Common commercial boiler flue sizes range from 1" to 3Ā¾". Note that the 433xx (SS/DS Premium) series has a larger brush diameter than the 432xx (DS/DS) series for the same flue size. If you are unsure of your tube size, call us at (901) 458-2000 with your boiler make and model.

What is the difference between the 432xx and 433xx Schaefer brush series?

The 432xx series (43208, 43212, 43216, etc.) is the Double Spiral / Double Stem (DS/DS) "Master Clean" construction ā€” brush bristles are twisted between four stem wires. The 433xx series (43308, 43312, 43316, etc.) is the Single Spiral / Double Stem (SS/DS) "Premium" construction. For the same flue size, the 433xx Premium series has a larger brush diameter than the 432xx series ā€” for example, 43208 (1Ā¼" flue) has a 1" brush while 43308 (1Ā¼" flue) has a 1Ā½" brush. When ordering a replacement, match the full SKU number from your existing brush to get the same construction and diameter.

How do I use extension rods with Schaefer flue brushes?

The 43xxx series brush heads have a 1/4" male pipe thread fitting that connects to compatible extension rods. The 30666 (6ft fiberglass rod) accepts 43xxx heads via a 1/4" female connection ā€” thread the brush onto the rod, insert into the flue tube, and work back and forth to remove soot. Multiple rods can be coupled for extra reach on longer flue runs.

Why is regular boiler tube cleaning important?

Soot and deposit buildup on boiler flue tubes acts as an insulator ā€” reducing heat transfer efficiency and increasing fuel consumption. Even a thin layer measurably affects performance. Regular tube brushing (typically annually as part of boiler maintenance) removes buildup, restores efficiency, and allows inspection of tube surfaces for corrosion or damage. It is a standard step in most commercial boiler service procedures.

Related Categories

Commonly ordered alongside tube brushes.

Boiler Controls Plate Gaskets OEM Parts Pressure Switches Relief Valves Pumps & Motors

For emergencies, outside of business hours, call #901-604-7069