120030904 High Pressure Switch For Carrier 544 1250 950U 550 850 1800MT 1950
120030904 High Pressure Switch For Carrier 544 1250 950U 550 850 1800MT 1950
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High Pressure Switch for Carrier
This high pressure switch (OEM cross-reference 120030904) is a direct replacement for Carrier air conditioning and refrigeration systems, designed to protect compressors from excessive pressure.
Overview
The 120030904 high pressure switch for Carrier is an essential safety component that monitors refrigerant pressure and shuts down the system when pressure exceeds safe limits. Designed for Carrier units including 544, 1250, 950U, 550, 850, 1800MT, and 1950 models, this switch ensures reliable operation and prevents costly damage. Trust this OEM-style switch to maintain your Carrier system's performance.
Built For Performance
- Pre-calibrated to factory specifications for accurate pressure sensing
- Constructed with high-temperature resistant materials
- Plug-and-play design for quick replacement
- Meets or exceeds OEM quality standards
- Rated for use with R-22, R-410A, and other common refrigerants
- Engineered for long service life in demanding environments
Fits These Machines
- for Carrier 544
- for Carrier 1250
- for Carrier 950U
- for Carrier 550
- for Carrier 850
- for Carrier 1800MT
- for Carrier 1950
On-The-Job Use
- Used in residential and commercial air conditioning systems
- Installed on Carrier condensing units and heat pumps
- Serves as a safety cutoff in refrigeration systems
- Ideal for HVAC service technicians during system repairs
- Commonly replaced during compressor or pressure switch failures
Specs At A Glance
| Type | High Pressure Switch |
| Part Number(s) | 120030904 |
Good To Know
Q: Is this switch compatible with R-22 systems? A: Yes, this high pressure switch is designed for use with R-22, R-410A, and other common refrigerants commonly found in Carrier equipment.
Q: How do I verify correct pressure setting? A: The switch is factory-calibrated to the OEM specifications for Carrier systems; confirm your system's required pressure range in your service manual.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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