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,
1001667 - Heater Damper Assembly To Suit 100mm Heater Tube,
1023274 - Fan Damper Assembly To Suit 100mm Manifold,
1023237 - Fan Damper Assembly To Suit 150mm Manifold