We have managed to find a supplier for replacement gas lights and hope that this is of interest to other members. 

CCG 2049 Nova Gas Light wall light, Truma Nova gaslight NLZS  operating pressure 30 mbar with thermo-electric safety ignition device, complete with shade, output approx 60 W. Ideal for lighting up those out of the way places, Propane. £123.20 . 

Web site  wwwcaravanparts.co.uk    Tel 01295 269163 Fax  01295 269163 Visit the section on classic parts