Genuine Truma 34000-71800 room temperature sensor adaptor cable, fitted with a jack socket for connecting the remote room sensor system on compatible Truma caravan and motorhome heaters. Ideal as a replacement for a damaged or missing original adaptor. Used with the 34000-71900 4m remote sensor cable where applicable. Suitable for selected Truma Ultraheat and Trumatic C-Series heating systems. Please check the heater model and existing part number before ordering.