Estimated Lead Time: 1 – 10 Working Days
Manufacturer: Honeywell
Product Number: WS8B4WB/U (REPLACE TF428WNS)
Product Type: Thermostat Wall Module
Operating Voltages: 100VAC-240VAC 50-60Hz
Backlight: White
Application: 2/4-pipe
Ventilation mode: Yes
Load Capacity:
Resistive – Fan unit 3A; valve 2A
Inductive – Fan unit 1A; valve 0.6A
Temperature Setting Range: 10~30°C (50~86°F)
Temperature Display Range: -10~50°C (14~99°F)
Operating Temperature: -30~60°C (-22~140°F)
Relative Humidity: 5-90%RH, non condensating
Protection rating: IP20
Shipping Weight: 2 kg
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