Tag: 191108AJ

Honeywell 191108AJ Thermostat Preparation Check the thermostat and subbase (if used) suitability for the heating, cooling, or heating/cooling system. Refer to Table 1. Assemble tools required: flat-bladed screwdriver, hand or power drill with 3/16-in. drill bit, wire cutter/stripper or sharp knife, bubble level or plumb bob and line. Assure power is off to the heating,…