Four Seasons 37814 HVAC Low Pressure Cut-Out Switch

The Four Seasons 37814 is a system-mounted HVAC low pressure cut-out switch designed for heavy-duty commercial trucks. This critical air conditioning component monitors refrigerant pressure levels and protects the A/C system by shutting down the compressor when pressure drops below safe operating levels, preventing costly compressor damage.

Key Features:

• OE-quality replacement pressure switch for reliable system protection
• Engineered and tested for years of trouble-free operation
• Direct-fit replacement designed specifically for Kenworth and Peterbilt applications
• Prevents compressor damage by monitoring refrigerant pressure levels
• Manufactured by Four Seasons, the largest aftermarket climate control parts supplier in the industry

Cross-Reference Part Numbers: 111000, 1471, 4379RD5155040P, 650446BSM, 8508252, 937499, ACA1771, F271002, MT1926, RD5155040P, SW11416C, ZGG711082

This pressure switch is a critical component in maintaining proper A/C system operation in commercial truck applications. Four Seasons products undergo rigorous testing and quality control to ensure they meet or exceed OE specifications for fit, form, and function.