The following spare parts are available for this model:
FHBTO-4 - Type O Fan Assembly 100mm (4") Inlet,
FHBTO-6 - Type O Fan Assembly 150mm (6") Inlet,
7531 - 100mm (4") Flexible Coupler 444mm Long,
7541 - 100mm (4") Jubilee Clips,
7532 - 150mm (6") Flexible Coupler 444mm Long,
7542 - 150mm (6") Jubilee Clips,
DPHB38/4-UK - NO LONGER AVAILABLE Damper Assembly To Suit 100mm Heater Tube,
2635 - Damper Gasket HB