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This unit is designed to accept a 0-10VDC control signal from a thermostat or DDC controller to vary the motor speed proportionally
ensuring direct fitment in Bohn
ensuring the proportional valve actuator maintains optimal performance without the need for additional specialized tools in tight mechanical spaces
Prioritizing the use of genuine Williams furnace parts ensures the combustion process remains within the manufacturer’s specified input ratings
always verify your model number against the heater's rating plate
Lennox 14A45 Pressure Switch 328140-751 This unit is designed toThe Lennox 14A45 Pressure Switch is a high precision, two stage OEM furnace replacement designed to ensure safe ignition and optimal inducer airflow. This dual pressure switch is factory calibrated with specific set points of . 50" and . 90" WC, acting as a critical safety limit that confirms the draft inducer is pulling sufficient vacuum before allowing the gas valve to open. As a direct replacement for the legacy Lennox 103613 03 and UniControl
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