The part is replaceable though your dealer may have difficulty finding the part number as it is not listed under their standard parts system. Tell them to call tech support and get the part number.
I changed one of these myself.
Thanks,
Martin
BV7-40MK4BR,7-32,6-22,6-23,6-26,BSnd5,9000,BLab9,3,4000,2,BCom2,6000,Btalk1200,LC2s,Lutron