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The Honeywell T991A1244/U is a proportional temperature controller designed for modulating control of temperature in air or water systems. It operates within a temperature range of fifty-five to one hundred seventy-five degrees Fahrenheit. This controller features a copper bulb sensor element and a five-foot capillary length, suitable for various HVAC applications.
This controller is built for precise temperature control, automatically adjusting settings based on outdoor conditions.
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