With this kit you can easily pick up your fuel supply for your auxiliary diesel heater. Most important is to connect into the non pressurised return line that comes back from the engine. This is a 7.89 equal T with a 90° angle reducer down to a 3mm barb to accept the auxiliary heaters pipe work to feed the inlet of the heater fuel pump. Simply press the sides of the original connector and pull it apart. insert the new T piece into the line and your all set to go. the reducer comes with 1.5 meters of fuel pipe so you can easily find a place to mount your fuel pump. two neoprene connectors and 5 joining clips are supplied. * Fuel pump is for illustration purposes only and not included in the kit *