Hi all and thanks the reason i was asking about the de-scaling is i have just got myself a maid of kent loco and i cant get any water from the boiler drain cock not sure if this is position to have a cock in as there is a banjo fitting on the bottom of the fire box with a copper pipe going to the drain cock below the cab i have tried to blow it through but it is still blocked getting a bit worried kenny Skye MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.