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Enhanced Contact Life: Specialized silver-alloy contact points offer superior conductivity and thermal resistance compared to generic aftermarket alternatives
Key Benefits for Technicians: Direct OEM Compatibility: Replaces legacy part number 2940-3251 with exact mounting footprints and terminal locations
1800 RPM for consistent airflow performance
This valve achieves ANSI Leakage Class IV standards
Marvair K/40055 Control 321142-301 Enhanced Contact Life: Specialized silver-alloyThe 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
US$ 40.00
US$ 35.00
US$ 21.99