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For technicians performing a condenser control board replacement
40" water column setpoints for precise safety monitoring
Industrial-Grade Durability: Rugged material selection stands up to the corrosive environments typical of warehouse and garage settings
Please note that this valve requires a compatible Ranco LDK series solenoid coil (sold separately) for operation
Trane CNT4991 Pressure Switch 321142-301 For technicians performing a condenserThe Trane CNT4991 is a 10 inch SPST pressure switch engineered for precise atmospheric monitoring in high efficiency Trane and American Standard HVAC systems. This OEM air pressure switch features a single pole single throw (SPST) contact configuration, rated at 0. 1" WC (water column) for low pressure detection. It is designed to interrupt or complete the 24V control circuit (rated at 28 VA) when specific airflow or flue gas pressure thresholds are