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This furnace high limit switch is built with a compact 2
Built with a sturdy extruded aluminum frame and parallel blades
Utilizing a 120V AC input
allowing compatible controls to verify whether the damper is open or closed
Carrier HH18HA301 Temperature Sensor R-22 This furnace high limit switchThe Carrier HH18HA301 Temperature Sensor is a critical OEM replacement component designed for high precision thermal monitoring within Carrier and Bryant HVAC systems. As an essential thermistor, it converts ambient or coil air temperatures into electrical signals, allowing the main HVAC control board to regulate heating and cooling cycles with high accuracy. This part is frequently utilized in central air conditioner and heat pump applications to
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