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Honeywell
Honeywell VisionPRO® YTH9421C1002/U Universal Thermostat, Programmable Thermostat, 40 to 90 deg F Control, 1, 2, 3, C, R, RC, RH, R, W1-O/B, W2-AUX, W3-AUX2, Y, Y2, G, L, OUT1, OUT2, IN1, IN2, DATS1, DATS2, HUM1, HUM2, DHM1, DHM2, VNT1, VNT2 Terminal
Honeywell

Honeywell VisionPRO® YTH9421C1002/U Universal Thermostat, Programmable Thermostat, 40 to 90 deg F Control, 1, 2, 3, C, R, RC, RH, R, W1-O/B, W2-AUX, W3-AUX2, Y, Y2, G, L, OUT1, OUT2, IN1, IN2, DATS1, DATS2, HUM1, HUM2, DHM1, DHM2, VNT1, VNT2 Terminal

BrandHoneywell
MFR Part NoYTH9421C1002/U
TSCO Part Number423990

Warranty Length

  • Limited

Features

  • Advanced dual fuel control
  • Three wires to the living space allows for easy equipment upgrade without having to run additional thermostat wire
  • Thermostat connects with equipment interface module or EnviraZONE panel to control temperature, humidification, dehumidification and ventilation from a single point in the home
  • Automatically raises humidity levels throughout all rooms in the home, moisturizing air to prevent symptoms of dryness and to protect hardwood flooring and woodwork
  • Removes air pollutants by exchanging the stale air in a house with fresh, filtered air better than having an open window