Lennox 18M63 Pressure Switch 320734-701 the Bard 900-200 utilizes a

the Bard 900-200 utilizes a heavy-duty housing and precision-balanced wheels to minimize vibration and bearing wear

Robust Liquid Handling: Large internal volume protects the reciprocating compressor against liquid refrigerant slugs during startup or defrost cycles

How do I verify the coil voltage on my existing part

though you should always measure the existing hub before installation

The valve body is constructed from nickel-plated brass to resist de-zincification and scaling

Lennox 18M63 Pressure Switch 320734-701 the Bard 900-200 utilizes aThe 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