this specific model features straight fittings with depressors on both ends to facilitate connection to standard 1/4" access ports without removing the valve core

it satisfies the exact electrical and mechanical specifications required to restore factory-level performance and airflow efficiency in 460V HVAC systems

While primarily designed for Armstrong Air and Ducane equipment

What are the wiring requirements for 208V vs 230V

International Environmental 70021531 Direct Drive Refrigerant this specific model features straightThe International Environmental 70021531 is a precision engineered 1 4 HP direct drive blower motor designed for high performance operation in commercial and residential HVAC systems. Operating at 208 240V, this single speed motor is a primary replacement component for IEC fan coil units and air handling assemblies requiring a reliable direct drive motor configuration. Its robust electrical design ensures consistent torque and airflow delivery,