Firebird Combustion Door Insulation 120 Acc120Gsk

31cm x 35cm or 12in x 14in

The Firebird Combustion Door Insulation 120 (Part No. ACC120GSK) is a genuine OEM insulation gasket designed for Firebird 120 oil-fired boilers. This high-temperature insulation pad forms a protective barrier inside the combustion door, preventing heat loss and protecting the door panel from excessive temperatures. It helps maintain stable combustion conditions, improves boiler efficiency, and extends the life of key components exposed to radiant heat.

Manufactured from fire-resistant, high-density insulation fibre, the ACC120GSK gasket delivers reliable thermal performance and a precise OEM fit, ensuring safe and efficient boiler operation.

Key Features

• Genuine Firebird combustion door insulation – Part No. ACC120GSK

• Designed for: Firebird 120 oil boilers

• Provides thermal protection and efficient heat retention

• Reduces heat loss through the combustion door

• Made from high-density, fire-resistant insulation material

• Protects door assembly and internal boiler surfaces

• Direct OEM-quality replacement for perfect fit

• Improves combustion efficiency and system longevity

Compatibility

• Fits Firebird 120 boiler models

• Suitable for Enviromax, Silver, and other Firebird ranges using 120-series combustion chambers

• For use with Riello, Bentone, or Ecoflam burners fitted to Firebird systems

When to Replace

• If the existing insulation is cracked, damaged, or deteriorated

• During annual servicing or combustion door removal

• When heat marks or flue gas staining appear on the door panel

Technical Specifications

• Manufacturer: Firebird

• Part Number: ACC120GSK

• Model Compatibility: Firebird 120 boilers

• Material: High-temperature, fire-resistant insulation fibre

• Function: Protects combustion door and retains heat within chamber

• Application: Domestic and light commercial oil-fired boilers