Schaefer Brush 43232 Flue Brush 3.25 in Dia 7.5 in Oal

Product Description

The SCHAEFER BRUSH 43232 is a double stem, single spiral flue brush designed for cleaning flue passages, heat exchangers, and combustion venting components. The brush measures 3.25 inches in diameter with a 7.5-inch overall length and a 4.5-inch brush length. Tempered steel wire construction provides aggressive scrubbing action against soot, scale, and carbon deposits. The 1/4-inch male NPSM connection allows the brush to be threaded onto standard extension rods, making it a practical hand tool for HVAC technicians and chimney service professionals performing routine flue maintenance.

This flue brush is suited for residential and light commercial service work where flue passages, B-vent connectors, or heat exchanger tubes require periodic cleaning. The 3.25-inch diameter targets common mid-size flue diameters found in gas-fired furnaces, water heaters, and boilers. The double stem design keeps the spiral wire form stable under rotational cleaning pressure, maintaining consistent contact with flue wall surfaces throughout the stroke.

Key Features

• 3.25-inch diameter tempered steel wire brush head for effective flue wall contact
• 4.5-inch brush length covers a useful cleaning stroke per pass
• 7.5-inch overall length with 1/4-inch male NPSM connection for rod extension compatibility
• Double stem construction maintains spiral shape integrity under cleaning load
• Tempered steel wire construction resists deformation against scale and hardened deposits

Compatibility

Designed as an OEM-style service brush for use in residential and commercial flue cleaning applications requiring a 3.25-inch diameter tool with a 1/4-inch male NPSM threaded connection.

Installation Notes

Installation and use of this brush should be performed by a qualified HVAC technician or chimney service professional. Always shut down and allow the appliance to cool fully before accessing flue passages. Verify that the brush diameter is appropriate for the flue size being serviced before attaching to extension rods. Follow applicable NFPA and local codes for flue maintenance procedures.