120030904 High Pressure Switch for Carrier 544 1250 950U 550 850 1800MT 1950

Product Overview

This high pressure switch is a critical component in Carrier heating and cooling systems, designed to monitor refrigerant pressure and protect the compressor from damage. It is suitable for use in residential and commercial HVAC units, ensuring reliable operation and safety. The switch fits multiple Carrier models including the 544, 1250, 950U, 550, 850, 1800MT, and 1950 series.

Key Features & Performance

• Precision-tuned pressure threshold for accurate system protection
• Rugged construction withstands high-pressure HVAC environments
• Direct replacement for OEM Part# 120030904
• Easy plug-and-play installation without special tools
• Compatible with R-22, R-410A, and other common refrigerants

Fitment & Compatibility

• Carrier 544 Series
• Carrier 1250 Series
• Carrier 950U Series
• Carrier 550 Series
• Carrier 850 Series
• Carrier 1800MT Series
• Carrier 1950 Series

Common Uses

• Residential central air conditioning systems
• Commercial rooftop HVAC units
• Heat pump applications requiring high-pressure cutoff
• Replacement for failed or leaking pressure switches

Technical Specifications

• Part Number(s): 120030904
• Switch Type: High Pressure

Frequently Asked Questions

Q: Will this high pressure switch work with my Carrier 950U unit? A: Yes, the 120030904 switch is specifically designed for Carrier 950U and the other listed models, ensuring proper fit and function.

Q: What is the pressure rating of this switch? A: While exact ratings vary by application, this switch is calibrated to OEM specifications for the listed Carrier models and triggers at the designed high-pressure threshold.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.