The Honeywell Pro Series is a programmable thermostat that features an easy-to-read display and energy-saving modes. The thermostat can be programmed to set up heating and cooling schedules for the day, week, or year. It also has a backlit keypad that makes it easy to see in low light conditions. This manual will walk you through setting up your new Honeywell Pro Series Thermostat so that you.. Browse Honeywell Home's library of thermostat support resources and helpful guides.. Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ Smart Thermostat Support; Smart Home Partners REGISTER YOUR PRODUCT. OFFERS toggle menu.
Please try again. Check the name or model number of your product to ensure it's correctly written in the search bar above. If you're looking for a product that isn't a thermostat, try checking here.. The Honeywell Home Pro Series thermostat may be intermittently cutting off the heat when connected to a gas furnace due to one or more of the following reasons: 1. Power Issues : The thermostat requires a 24 VAC power source using a "C" wire.