OEM Reliability: Built to Carrier’s rigorous specifications to ensure physical fit and performance parameters are met within the cooling cycle

this motor ensures a direct drop-in fit for technicians looking to restore factory-spec air delivery without the compatibility risks associated with aftermarket "multi-fit" alternatives

As a direct replacement for 5H73034

Built for long-term reliability in demanding commercial environments

or visible leaks around the pump flange and motor housing

Dwyer Instruments CS-1 Pressure Switch 321702-401 OEM Reliability: Built to Carrier’sThe Dwyer Instruments CS 1 Pressure Switch is a technical grade diaphragm pressure switch engineered for precision vacuum pressure monitoring in commercial and industrial HVACR environments. Built for reliability, this unit handles an adjustable vacuum range from 1" to 30" Hg (25. 4 to 762 mm Hg), providing versatile control for vacuum pump systems and process automation. The fixed deadband is set at 1. 5" Hg (38 mm Hg), which prevents rapid cycling