Truma Ultraheat additional mains 230v electric heater with thermostat, control panel and 3m connection cable, with 3 setting 500w 1000w 2000w, The Truma Ultraheat unit is suitable for heaters Trumatic S 3002 P after 07/81 and Trumatic S 5002 after 04/98 (with bow front case), and Truma S 55T. Note: NOT to be used on Trumatic S 3002 K, S5002 K and S5002 before 04/98 (with old square front case) (30403-02).