MMB10 is now B10 (Qmark Unit Heater Wall/Ceiling Mount Bracket)

Qmark/Marley MUH Series mounting bracket has a part # change:

QMARK685360152295

Item Code: QMARK685360152295

Description:  B10 (MMB10) Wall/Ceiling Mount Bracket

Qmark Type MUH Series Unit Heater Accessory – Universal Wall and Ceiling Mounting Bracket – For use with MUH03 – 05 – 07 – 10 Series Unit Heaters

https://morelectricheating.com/default.aspx?page=item+detail&itemcode=QMARK685360152295