Schaefer Brush 43713 Condenser Tube Brush 9/16 in Nylon

Product Description

The SCHAEFER BRUSH 43713 is a single stem spiral condenser tube brush designed for cleaning the interior surfaces of condenser tubes in HVAC and refrigeration equipment. Built with nylon bristles, it removes scale, debris, and buildup from tube walls without damaging softer tube materials. The brush measures 9/16 inches in diameter and 6-1/4 inches overall length, with a 4-inch brush section. The 12-24 female connection threads onto compatible drive rods or flexible shaft extensions, making it suitable for both hand-cleaning and powered cleaning applications. HVAC technicians and refrigeration service pros rely on this style of brush during routine condenser maintenance and coil tube reconditioning.

This brush is suited for residential and light commercial HVAC and refrigeration systems where condenser tube cleaning is part of scheduled maintenance. The 9/16-inch diameter fits standard condenser tube bores of matching interior dimensions. The nylon bristle construction is appropriate for copper and aluminum tube materials where wire bristles would risk scoring the tube wall. It is typically used during seasonal system servicing or when tube fouling is identified as a contributing factor to reduced heat transfer efficiency.

Key Features

• 9/16-inch brush diameter sized for standard condenser tube bores
• 4-inch brush length for effective scrubbing along tube interior walls
• Nylon bristles safe for use in copper and aluminum tubing
• 12-24 female connection compatible with standard drive rods and flexible shaft extensions
• 6-1/4-inch overall length for reach into tube sheets
• Lightweight at 0.1 pounds for easy single-hand operation

Compatibility

Designed as an OEM-style replacement brush for condenser tube cleaning applications requiring a 9/16-inch diameter single stem spiral brush with a 12-24 female threaded connection.

Installation Notes

Installation and use should be performed by a qualified HVAC or refrigeration technician. Before cleaning, de-energize the system and relieve any system pressure in accordance with applicable safety procedures. Thread the brush securely onto a compatible drive rod or flexible shaft before inserting into the tube bore. Do not force an oversized brush into a tube; verify the tube interior diameter matches the 9/16-inch brush diameter before use.