Honeywell T651A3018/U Line Voltage Thermostat
The Honeywell T651A3018/U delivers reliable temperature management across diverse HVAC applications. This line voltage thermostat operates at 120/277V AC and handles valves, motors, contactors, electric heating elements, duct furnaces, and fan coil units with precision. Its vapor-filled dual diaphragm sensor maintains a 2°F differential across a 44–86°F control range, ensuring stable performance in both heating and cooling modes. The compact design (2-15/16" W × 1-1/2" D × 4-1/2" H) fits standard mounting positions—horizontal or vertical—making installation straightforward in tight spaces. Built for light to medium-duty commercial and residential systems, this thermostat combines durability with straightforward operation.
Note, this item is now discontinued by the manufacturer.
Honeywell T651A3018/U Line Voltage Thermostat
The Honeywell T651A3018/U delivers reliable temperature management across diverse HVAC applications. This line voltage thermostat operates at 120/277V AC and handles valves, motors, contactors, electric heating elements, duct furnaces, and fan coil units with precision. Its vapor-filled dual diaphragm sensor maintains a 2°F differential across a 44–86°F control range, ensuring stable performance in both heating and cooling modes. The compact design (2-15/16" W × 1-1/2" D × 4-1/2" H) fits standard mounting positions—horizontal or vertical—making installation straightforward in tight spaces. Built for light to medium-duty commercial and residential systems, this thermostat combines durability with straightforward operation.
Note, this item is now discontinued by the manufacturer.
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Description
The Honeywell T651A3018/U delivers reliable temperature management across diverse HVAC applications. This line voltage thermostat operates at 120/277V AC and handles valves, motors, contactors, electric heating elements, duct furnaces, and fan coil units with precision. Its vapor-filled dual diaphragm sensor maintains a 2°F differential across a 44–86°F control range, ensuring stable performance in both heating and cooling modes. The compact design (2-15/16" W × 1-1/2" D × 4-1/2" H) fits standard mounting positions—horizontal or vertical—making installation straightforward in tight spaces. Built for light to medium-duty commercial and residential systems, this thermostat combines durability with straightforward operation.
Note, this item is now discontinued by the manufacturer.
