Box has been damaged as shown in photos.
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Vibration Resistance: 35~500Hz. Temperature and Humidity Resistance: Operates in ambient temperatures from -20°C to 80°C, resistant to condensation and thermal shock. Switching Current: Maximum 0.5A.
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Frosting on surface of horizontal cold plate under natural convection in an ASHP unit5. Frosting on surface of non-horizontal cold plate under natural convection in an ASHP unit6. Frosting on surface of horizontal cold flat plate under forced convection in an ASHP unit7.
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Honeywell Home T4 Pro Thermostat RTH4110U 7550OB open box Original box (a bit torn) Fast free shipping
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Temperature and Humidity Resistance: Operates in ambient temperatures from -20°C to 80°C, resistant to condensation and thermal shock. Switching Current: Maximum 0.5A. High Signal Integrity:Stable output, high level ≥4.7V, low level ≤0.5V.
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Smart: secondary heat source & electrical heater if needed (1°C below set point). - External: secondary heat source only. - Both: electrical heater & secondary heat source. • Perfect for selecting, using and synchronizing alternative heat sources.
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All of our products are tested, and quality checked, unless labeled otherwise. These factors are both subject to change.
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Techno-economic considerations are also presented, as is the outlook for the future.
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