Nordyne 664087R Restrictor Orifice 318973-401 Constant Differential Performance: Ensures stable

Constant Differential Performance: Ensures stable cycling with a fixed 6°F differential

Compact & Rugged: The die-cast aluminum construction provides a durable

Manual Reset Safety: Requires technician intervention after a trip to ensure the root cause of low oil pressure is addressed

The KMC Controls MCP-3631-5000 is a high-performance direct coupled rotary pneumatic actuator engineered for precise control of VAV terminal units and small damper applications

Nordyne 664087R Restrictor Orifice 318973-401 Constant Differential Performance: Ensures stableThe Nordyne 664087R Restrictor Orifice is a critical fixed bore metering device engineered for precise refrigerant expansion in HVAC evaporator coils. With an exact inner diameter of . 087 inches (Size #87), this OEM Nordyne part is designed to replace worn or fouled orifices that cause irregular superheat or subcooling readings. Proper sizing of the flow restrictor orifice is essential for maintaining the pressure drop required for efficient phase