located along its length that allow fuel located within the fuel tank to pass in and out of the housing 20 an inlet 30 is provided at a lower end of the housing 20 through which passes fuel the inlet 30 is fluidly connected to two separate screw threaded apertures 31 and 32 the bleed pipe 3 is connected to one of the apertures 31 or 32 the bleed pipe is fluidly connected to the control valve to activate the control valve as disclosed in u s pat no 6 311 723 the screw threaded apertures 31 and 32 allow the bleed pipe to be connected outside or inside the fuel tank an inlet float valve 40 is housed in a lower end of the housing 20 the inlet float valve 40 is formed from an inlet float 41 and stem 42 a valve seal 43 is located adjacent the end of the stem 42 for sealing the inlet 30 an inlet float valve 40 is mounted within the housing so that the stem 42 can reciprocate between an open position in which fuel is able to pass through the bleed pipe 3 and through the inlet 30 into the fuel.