Benefits Cooling & heating schedules can be set per thermostat or shared Two or Four Events per day for 24hr, 5-1-1, 5-2, or 7 day schedules Customizable 'Scenes' provide added convenience to the homeowner Energy Savings through temperature setback Interlock between heating & cooling prevents simultaneous operation Backlit digital screen can be set to display preferred View menu items Tekmar Products are only sold to Contractors/Professionals. You must be signed in and have an activated trade account to purchase this product. * Tekmar items will be shipped 1 week from order date. Electronic parts are not returnable. Please check to make sure you have chosen the correct part.