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factory-drilled to a #40 size (0
meaning it is specifically tested and certified for low-pressure steam heating boilers (operating up to 15 PSI)
the 211CA3/4B3/4B opens mechanically via the solenoid coil force rather than relying on line pressure
indicating a shortage of refrigerant or liquid line restrictions
While optimized for Zonefirst systems
International Environmental 70021531 Direct Drive R-410A factory-drilled to a #40 sizeThe 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,
US$ 249.00
US$ 139.00
US$ 12342.50