YTH9421C1002 - Honeywell VisionPro programmable stat/interface module 4-heat 2-cool humidification dehumid

The VisionPRO IAQ touchscreen universal programmable thermostat provides electronic control of 24 Vac heating and cooling systems in addition to humidification dehumidification and ventilation all with just 3 wires to the thermostat.
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YTH9421C1002
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Automatic or Manual changeover and up to 4 heat2 cool stages for heating and cooling systems Hazmat UN3091 Lithium metal batteries packed inwith equipment
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Manufacturer Honeywell Inc.
Application HeatCool or Heat Pump with Auxiliary Heat
Description Automatic or Manual changeover and up to 4 heat2 cool stages for heating and cooling systems Hazmat UN3091 Lithium metal batteries packed inwith equipment
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