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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Manufactured from heavy-duty aluminum to resist corrosion and structural fatigue
Key Benefits for Technicians: Direct OEM Compatibility: Replaces legacy part number 2940-3251 with exact mounting footprints and terminal locations
30 Full Load Amps rating prioritize long-term reliability in high-cycle environments
Versatile Compatibility: Supports positive
Marvair K/40055 Control 321142-301 Manufactured from heavy-duty aluminum toThe Marvair K 40055 Low Ambient Fan Cycle Control is a critical genuine OEM replacement part engineered for telecommunication and schoolroom HVAC systems. Designed specifically to maintain head pressure by regulating the condenser fan operation, this control ensures the refrigeration cycle remains stable within its design parameters during low temperature outdoor conditions. As a direct replacement for Marvair S 03998 and 70555, it eliminates the
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