Ace Model 42361 programmable digital thermostat for heating and cooling systems. Features 7-day programming with each day individually programmable, digital display, and keyboard lockout. Compatible with single-stage and multi-stage heat pump systems and supports second-stage cooling. Requires 2 AA batteries.

New in original packaging. Not compatible with 120V or 240V electric baseboard heating systems. Please review all photos and compatibility information before purchasing. Comes exactly as shown.