Schaefer Brush 43725 Condenser Tube Brush Nylon 13/16 in

Product Description

The SCHAEFER BRUSH 43725 is a single stem spiral condenser tube brush designed for cleaning the interior of condenser tubes in HVAC and refrigeration equipment. The brush measures 13/16 inches in diameter with a 6-1/4 inch overall length and a 4-inch brush length. Nylon bristles provide effective scrubbing action while remaining gentle enough for use on tube walls where metal bristles could cause damage. The 12-24 female threaded connection allows attachment to standard extension rods for deeper tube access. HVAC service technicians and refrigeration mechanics use this brush as part of routine condenser maintenance.

This brush is suited for residential and light commercial HVAC systems requiring periodic condenser tube cleaning. It is commonly used during scheduled maintenance on chilled water systems, heat exchangers, and condensing units where fouling, scale, or debris accumulation inside tubes reduces heat transfer efficiency. The spiral stem design helps work bristles along the tube wall as the brush is rotated and pushed through the tube. It ships individually and is available in single-unit quantities, making it practical for service vans and small-shop restocking.

Key Features

• 13/16 inches brush diameter sized for standard condenser tube bores
• 6-1/4 inch overall length with a 4-inch active brush section
• Nylon bristles resist corrosion and are safe for use on soft tube materials
• 12-24 female threaded connection for use with standard extension rods
• Single stem spiral construction promotes consistent bristle contact along tube walls
• Lightweight at 0.1 pounds, suitable for field carry in a service kit

Compatibility

Designed as an OEM-style replacement brush for HVAC and refrigeration condenser tube cleaning applications requiring a 13/16 inch diameter spiral brush with a 12-24 female threaded connection.

Installation Notes

Always de-energize and lock out the unit before accessing condenser tubes for cleaning. Attach the brush to a compatible 12-24 threaded extension rod before inserting into the tube. Use steady rotational and linear motion to work the brush through the tube without forcing or bending the stem. Follow applicable ASHRAE and equipment manufacturer maintenance guidelines when performing condenser cleaning.