For applications requiring different timing to prevent pump cavitation or specific surge patterns

this specific model is designed and calibrated for R-22 refrigerant

a 440V capacitor is a superior technical replacement for a 370V unit

If you experience continued flow when the branchline pressure is at the maximum (30 psi safe air limit)

It fits directly onto the packing nut

Carrier 337668-704 Loose Parts 322056-301 For applications requiring different timingThe Carrier 337668 704 Loose Parts Kit is a critical OEM component package designed for field installation and repair of specific Carrier rooftop units and HVAC package systems. This OEM Carrier replacement part ensures precise mechanical fitment and maintains the structural integrity of the equipment cabinet and internal assemblies. For technicians performing commercial HVAC maintenance, having this specialized kit on hand prevents delays caused by