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The Honeywell T651A3018/U is a line voltage thermostat designed to control temperature in heating and cooling systems. It operates within a control range of forty-four to eighty-six degrees Fahrenheit and features a two-degree Fahrenheit differential for precise temperature management.
This thermostat provides reliable control for line voltage valves, motors, and electric heating elements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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