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Key Benefits: Precision Thermal Monitoring: Factory-calibrated 180°F trip point ensures reliable overheat protection for the heat exchanger
What is the resistance at 77°F (25°C) for this sensor
stripping moisture and neutralizing acids to protect the compressor
s bellows or diaphragm
Lennox 64L81 Air Flapper 30067439-890 Key Benefits: Precision Thermal Monitoring:The Lennox 64L81 Air Flapper Kit (LB 98453B) represents a critical component for maintaining the combustion integrity of legacy Lennox Pulse series furnaces. This genuine OEM replacement kit, containing 10 individual 3 5 8" OD diaphragms, is engineered to handle the unique pressure dynamics of Lennox G14 and G21 units. As a veteran grade air diaphragm kit, these flappers regulate airflow within the combustion chamber, opening and closing in rapid
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