The conditioner drawer compartment looke like this:
http://www.4hotpoint.co.uk/washing-machine/9777p-f035796/dispenser-rinse-aid-compartment/product.pl?pid=590217&path=52516&refine=dispenser&model_ref=519973
There's a little syphon tube that fits over the spigot in th emiddle o fthe cpm[artment. That looks like this:
http://www.4hotpoint.co.uk/washing-machine/9777p-f035796/dispenser-syphon-tube-laundry-95149524-9534-9510-9520-9530-9570-95490-95470-95450-95360-95130-95492-95472-95452-95362-95/product.pl?pid=590224&path=52516&refine=dispenser&model_ref=519973
The compartment is probably in the same place as the detergent drawer.
HTH, March 2017