Trane SWT1651 Limit Switch 321894-706 high-performance replacement for the standard

high-performance replacement for the standard 1156F series

Optimized Flow: Reduces mechanical resistance within the valve chamber

making it a preferred choice for field replacements where reliability and precise HVAC superheat adjustment are critical for system longevity

quiet operation and reduced motor wear

its 680 PSI rating makes it suitable for high-pressure R-410A refrigeration and air conditioning applications where lower-rated accumulators might fail

Trane SWT1651 Limit Switch 321894-706 high-performance replacement for the standardThe Trane SWT1651 Limit Switch is a critical safety component designed for precise thermal regulation within residential and light commercial furnace heating systems. As a veterans choice for OEM HVAC replacement parts, this auto reset limit switch operates within a specific 130 160F window. It monitors the supply plenum temperature, automatically interrupting the electrical circuit if the heat exchanger exceeds the 160F safety threshold. Once the