Home Slickdeals Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat $40 + Free Shipping Slickdeals Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat $40 + Free Shipping By ARCOM - 7 July 2018 144 0 SHARE Facebook Twitter Go to the deal page: Honeywell RTH8500D 7-Day Touchscreen Programmable Thermostat $40 + Free Shipping