The A19ADB-22 features SPST Open High contact action

typically mounted on the furnace plenum or blower housing

The Lennox 18K43 Limit Switch is a high-temperature safety control engineered for precision in Lennox furnaces and heat pumps

The pitch determines the air volume moved per revolution

Smith 100208091 Flame Sensor Gasket Kit is a critical OEM replacement part engineered for high-efficiency combustion system maintenance

Johnson Controls P170LB-1 Pressure Control R-410A The A19ADB-22 features SPST OpenThe Johnson Controls P170LB 1 is a professional grade Dual Pressure Control engineered for precise management of both high side and low side pressures in commercial refrigeration and air conditioning systems. This electromechanical controller features a Single Pole Single Throw (SPST) switch action, providing reliable cut out and pump down control by opening the circuit when pressures exceed or fall below your specific setpoints. The low pressure side