5-65 General5.2.6 Petrol/Diesel FumesThe fitting of a tail pipe deflector to your exhaust will reduce the possibility of fumes entering yourcaravan through the front fixed ventilation points. However, an extension fitted to an exhaust tail pipewill be illegal if it projects excessively beyond the vehicle body or bumper.5.2.7 Original Equipment AppliancesSee sections devoted to individual appliances.▲ Replacement parts for any appliance shall conform to the appliance manufacturer’sspecification; and should be fitted by them or an authorised agent.5.2.8 Portable Appliances▲ Never use portable cooking or heating equipment, other than electric heaters that are notof the direct radiant type, as it is a fire and asphyxiation hazard.5.2.9 Modifications▲ Never allow modification of electrical or LPG systems and appliances except by qualifiedpersons.