Daikin McQuay 300039428 Control Box Assem: PTHP12B265-MXB* ****WHEN AT ZERO STOCK, THIS PART IS NO LONGER AVAILBLE. USE300042657 (& touch-pad #300042639 if replacing w/ B+ box forthe 1st time). Chassis will then be model #PTHP12B265-MXCA.