Heating system cleaning brush GEKO G66704 — chimney/boiler brush ø70/ø60 mm

GEKO G66704 is a cleaning brush designed for central heating and boiler flues with nominal diameters of approximately 70 mm and 60 mm. Made for manual mechanical sweeping, the brush removes soot and deposits from chimneys, flues and boiler tubes and is compatible with extension rods for reaching deeper sections of the ductwork. The tool is intended for routine maintenance and ash removal in domestic and small commercial heating systems.

Advantages

The GEKO G66704 brush offers a dual-diameter design that accommodates two common flue sizes without requiring multiple brush types. Its bristle arrangement is optimized for scraping and dislodging soot and residue while remaining suitable for repeated use during regular maintenance cycles. The lightweight construction allows for controlled manual operation with extension rods, facilitating access to bends and longer runs in chimney and boiler flues.

Suitable for

• Cleaning residential chimney flues and fireplace ducts
• Removing soot and deposits from boiler tubes and heat exchanger passages
• Routine maintenance of central heating flue systems
• Manual sweeping with extension rods for medium-length ducts

Key specifications

• Brush nominal diameters: approximately 70 mm and 60 mm
• Application: chimney, flue and boiler tube cleaning
• Operation: manual mechanical sweeping with extension rods
• Material: durable bristles suitable for soot and deposit removal
• Compatibility: fits standard extension rod connections for manual use

How to use

Attach the GEKO G66704 brush securely to an appropriate extension rod following the rod manufacturer’s connection method. Insert the brush into the chimney or boiler flue and use controlled push-and-rotate motions to dislodge soot and deposits. For ducts with bends, advance and retract the brush several times, checking progress visually or with a mirror where possible. After sweeping, remove loosened debris from the appliance and inspect seals and gaskets for integrity. Clean the brush after use to remove accumulated residue and store it dry.

Usage recommendations

Use appropriate personal protective equipment (gloves, eye protection and a dust mask) when cleaning flues. Ensure the heating appliance is cold and disconnected from fuel or power sources before starting work. If heavy deposits, creosote build-up, or restricted airflow are present, consider professional inspection or mechanical cleaning equipment designed for heavier fouling.