Honeywell W8665A Wireless Full seven-day program Thermostat System

Description

The Honeywell T8665A Chronotherm IV Wireless Thermostat supports conventional gas, oil, or electric applications (1 Heat/1 Cool) when used with the W8665A Receiver Module. Supports single or multistage conventional gas, oil, or electric applications and heat pumps with auxiliary heat. Requires the W8665A Receiver Module for operation. Premier White® Color Full seven-day program capability; different schedules and temperature setpoints may be selected for everyday to fit any schedule. Copy key makes programming easier and faster. Daylight Savings Time (DST) key for quick change in and out of Daylight Savings Time. Programmable fan operation for added comfort. Easy temporary temperature setpoint changes for current period, vacation hold (1 to 255 days) or indefinite hold adds to your comfort and energy savings. Frequently used keys are located by the Liquid Crystal Display (LCD) for quick and easy access to information. Back lighting the large display makes the LCD very easy to read. °F or °C temperature display, Automatic or manual changeover, Adjustable range stops