diverter sleeve 20 has an exterior thread 21 to receive the threaded mounting nut 14 in assembly the mounting nut 14 will be threaded fast up against the bottom of the sink deck 10 with a mounting washer 22 and a mounting clip 24 being used to secure the assembly 12 from the upper side of the deck 10 as shown particularly in fig2 the clip 24 will extend into a groove 26 in the diverter sleeve 20 and it will overlie the washer 22 thus the clip and the washer secure the diverter assembly from the top and the nut 14 secures it from the bottom a diverter body is indicated at 30 and will have a hot water inlet conduit 32 and a cold water inlet conduit 34 connected thereto as shown particularly in fig4 at the bottom of the diverter body 30 there is a diverter outlet 36 which will direct water to a water discharge apparatus other than the spout 16 for example a hand held spray hose or the like the diverter sleeve 20 has an internal lower thread 38 which co acts with an exterior threaded upwardly extending boss 40 on the diverter body there is a seal ring 42 where these elements are joined together in this manner the diverter sleeve is attached to the diverter body a portion of the interior surface of the diverter sleeve is threaded as at 44 with this threaded section terminating in a shoulder 46 positioned within the diverter sleeve is the spout interface 18 which has an exterior thread 48 which interacts with the interior thread 44 on the diverter sleeve to permit the spout interface to be telescopically vertically adjustable relative to the diverter sleeve this vertical adjustment will acconmmodate varying thickness in.