Trane SWT2979 Pressure Switch R-407C ensuring an equal percentage flow

ensuring an equal percentage flow characteristic that maintains linear heat output and prevents hunting in the control loop

Optimized Buoyancy: Precision-weighted for accurate steam trap operation

Key Benefits: OEM Precision: Guaranteed compatibility with York centrifugal units

The Carrier 311213-402 Collector Box is a critical combustion component designed for high-efficiency condensing gas furnaces

Using this on a positive pressure system will lead to improper modulation and potential safety issues

Trane SWT2979 Pressure Switch R-407C ensuring an equal percentage flowThe Trane SWT2979 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency Trane and American Standard furnaces. As a OEM dual pressure switch, this part is the direct replacement for legacy part numbers BA20149 and C342634P62. This 2 stage air pressure switch features a dual diaphragm configuration engineered to sense specific vacuum thresholds: the high side is rated to open at 1. 93" W. C. and close at