The PRO 1 IAQ T855 Programmable Thermostat functions as a flexible and effective part for HVAC systems heating and cooling control. This functions with 3 Heat/2 Cool heat pump systems to manage temperatures between 44°F and 90°F. Can be optimized for energy efficiency and comfort using the 5-1-1 day programming feature together with 7-day customization options. The heating and cooling modes transition automatically through the auto changeover feature.

For an efficient and reliable HVAC system, the PRO 1 IAQ Programmable Thermostat » is a great choice for optimal system performance.

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https://www.partshnc.com/t855-pro-1-iaq-prognonprog-3h2c-tstat »