ClimaTech BA1620 HVAC A/C Binary Pressure Switch (Replaces Freightliner 22-51296-000, MEI 11-0640)

Restore crisp, reliable cooling performance to your commercial truck's cabin with this premium ClimaTech BA1620 HVAC A/C Binary Pressure Switch. Engineered specifically to monitor system line pressures within heavy-duty air conditioning loops, this binary switch acts as a critical failsafe—automatically cycling your compressor clutch off if pressure climbs too high or drops too low, protecting expensive internal climate control components from catastrophic burnout.

Don't let a faulty pressure sensor cause unexpected cab discomfort or road downtime. Built with robust, climate-sealed terminal contacts and a durable threaded base, this drop-in replacement ensures accurate system readings and long-lasting cycling reliability under intense fleet wear.

⚡ Key Performance Features

• Dual-Function Failsafe: Protects your HVAC network by cycling the A/C compressor off during low-refrigerant leaks or high-side overpressure spikes.
• Heavy-Duty Engineering: Designed by ClimaTech to withstand the continuous road vibration, extreme under-hood heat, and demanding duty cycles of commercial trucks.
• Direct Cross-Reference Match: Built as a seamless plug-and-play alternative to common factory fleet numbers, ensuring a perfect fit and instant calibration.
• Leak-Free Seal: Precision machined connection threads prevent refrigerant loss and air system contamination.

🔄 Industry Interchanges & Cross-References

This heavy-duty binary switch directly replaces or interchanges with the following part numbers:

• Freightliner / Alliance: 22-51296-000, 2251296000
• MEI / AirSource: 11-0640, 110640
• Industry Part Reference: BA1620