In an effort to reduce the clutter when setting up the Equipment Sales Module, starting with 11.0 only the Installation Items that are selected for your company will display on the Equipment Setup List.  For example, when you go to the Condenser-Coil-Furnace complete system Installation configuration, under the Thermostat section, all Thermostats in the system library currently display.  Starting with 11.0, only the ones that you have selected for your company will display.

Now, the items that are not displayed are not deleted.  They are still available via the "Manage Installation Materials".  In fact they can still be added to your Equipment Types, but as a starting point they will not display unless they have already been designated to be displayed.