Lennox 18M63 Pressure Switch Refrigerant ensuring the condensing boiler operates

ensuring the condensing boiler operates safely

and original Robertshaw 21432 series

The Parker 24FS4C2380AAF is a robust 1

000 BTU/hr to support large commercial and residential boiler systems

For contractors managing commercial hydronic loops

Lennox 18M63 Pressure Switch Refrigerant ensuring the condensing boiler operatesThe Lennox 18M63 Pressure Switch is a high precision, two stage OEM furnace part specifically engineered for compatible Lennox, Armstrong, and Ducane heating systems. This dual action component provides critical monitoring of combustion air pressure, ensuring the inducer fan maintains the proper venting required for safe ignition and continuous high efficiency operation. With fixed set points of 0. 20" WC and 0. 45" WC, this switch accurately