Are replacement parts available for an Emtek Cortina lever handle?
Emtek Cortina Keyed Entry Door Leverset (Keyed Entry - Oil Rubbed Bronze - Right - 2-3/4in. Backset)
The Emtech door handle has a Part number of EMTEK 5121CUS10B LH COTINA KEY ORB and the inside parts have broken specifically the manual lock knob has broken off. Can we buy parts to repair it?