this specific model (R374-02C) is the regulator only

Energy Efficiency: Advanced ECM technology reduces electrical consumption compared to standard PSC motors

Can the spark gap be adjusted on this model

Key Benefits: Optimized for R410A: Factory-calibrated setpoints (300 PSI Cut-out / 400 PSI Cut-in) specifically handle the high-pressure demands of modern cooling equipment

Condensing units use sealed PVC venting systems and do not utilize this specific component

Daikin-McQuay 300003004 Relay 322838-754 this specific model (R374-02C) isThe Daikin McQuay 300003004 Relay is a specialized 24V reset relay enclosed in a durable protective housing, engineered for precise control in commercial HVAC systems. Designed to interface with low voltage control circuits, this component facilitates the manual or automatic resetting of system logic following a fault condition. Its enclosed design protects the internal electromagnetic coil and contacts from dust and debris, ensuring consistent