Ron Bentham's Funky Mercedes Hymer S700 Motorhome blog: Cleaning the Truma blown air heating fan makes a difference! And general background info on Truma heaters
Piéces détachées Chauffage 3002 truma - Aecamp
Truma 3002 Fire Core
Truma S 3002 Heater Parts List
Ersatzteile für Trumatic S 3002 (P) (05/96 – …) - F-K-Shop
File:Truma heizung trumatic s 3002.jpg - Wikimedia Commons