Ranked #4 in Parts
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Pro1 (2H/1C) Non-programmable Thermostat - 2 sq. in Display

PRO T621-2
  • Packaging: EA
    • 2 Sq. inch display
    • Blue backlight
    • Glow in the dark light button
    • Electric or Gas configurable
    • Separate B & O terminals
    • Room temperature calibration adjustment
    • Separate heating and cooling swing (cycle rate) adjustments
    • 5 minute compressor delay protection (selectable on or off)
    • Filter change indicator(selectable on or off)
    • Simple private label badge system
    • Easy wire color coded terminal blocks
    • Universal sub-base
    • Mounts on wall or junction box
    • Battery or 24v power
    • 5 year warranty
    The display range of temperature 41°F to 95°F (5°C to 35°C)
    The control range of temperature 44°F to 90°F (7°C to 32°C)

    Load rating

    1 amp per terminal, 1.5 amp maximum all terminals combined
    Display accuracy ± 1 °F 
    Swing (cycle rate or differential) Heating is adjustable from 0.2°F to 2.0°F 
    Cooling is adjustable from 0.2
    °F to 2.0°F 
    Power source 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire) 
    Battery power from 2 AA Alkaline Energizer batteries 
    Operating ambient

    32° to +105° (O° to + 41°C) 

    Operating humidity

    90% non-condensing maximum

    Dimensions of thermostat

    4.7"W x 4.4"H x 1.1"D

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