The Honeywell T775M2030 4-SPDT Modulating Temperature Controller (-40°F to 248°F) is a precision HVAC control device that regulates system temperature by modulating outputs through four single-pole, double-throw relays. It works by comparing sensed temperature to the setpoint and adjusting heating or cooling stages accordingly for precise climate management. Used in air handlers, heat pumps, chillers, and commercial HVAC systems, it enhances comfort, improves energy efficiency, supports smooth equipment staging, and provides reliable performance with flexible control across a wide temperature range.
For an efficient and reliable HVAC system, the Honeywell 4 SPDT Modulating Temperature Controller is a great choice for optimal system performance.
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Published on January 22, 2026
Published by jameson
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Description of item
Location
Country
United States
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IL
City
Chicago
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700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
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jameson
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