If local codes require a mechanical "off" position

5" water column full rate setting with a 0

non-health hazard applications

ensuring the shaft is perfectly perpendicular to the blower wheel hub

ensuring reliable data for system 450 controls

Carrier HN52PD024 Contactor 322838-754 If local codes require aThe Carrier HN52PD024 contactor is a heavy duty, 2 pole electrical switch built specifically for demanding residential and light commercial HVAC applications. Featuring a 24V coil voltage and a robust 40 amp current rating, this genuine OEM part ensures precise switching of compressors, fan motors, and electric heat circuits. Its definite purpose design is optimized for high cycle environments, providing reliable arcs suppression and secure contact