The insulation is usually present in the combustion chamber and helps to prevent heat leaking out through the chambers side panels. This increases the boilers efficiency as well as reducing the chance of internal damage to the boilers other components. In
Fits the Glow-worm Micron 30FF, 40FF, 50FF and 60FF
Technical specification
Waist Sizeaa99cc12gzERP RatingNot ApplicableSupplier Part NumberS210296Brand NameGlow-Worm
Reviews
Glow-Worm S210296 Combustion Chamber Side Insulation