Description
When your cab AC starts acting up—cycling on and off constantly or not cooling at all—there’s a good chance this high pressure switch is the culprit. It’s one of those small parts that keeps your air conditioning system from destroying itself by monitoring refrigerant pressure and shutting down the compressor when things get too hot or pressurized. Opens 275 PSI, closes 330 PSI, so you know it’s doing its job protecting the expensive compressor from damage.
Key Features
- Normally open design with metric thread connections for proper electrical operation
- Precise pressure switching prevents compressor damage from over-pressurization
- Built to handle the constant pressure cycling that comes with AC use in dusty field conditions
- Direct replacement switch—no modifications or adapters needed
Built for Real Farm Work
This switch protects AC systems across Case IH’s entire lineup, from compact utility tractors to massive combines and construction equipment. Whether you’re spending 12-hour days in the cab cutting wheat, loading manure, or running a backhoe on a job site, reliable air conditioning isn’t a luxury—it’s necessary for staying alert and productive when temperatures soar.
Made to Last
AC pressure switches take a beating from constant cycling and engine vibration. This one’s engineered to handle the temperature extremes and electrical demands of agricultural and construction work. The contacts stay clean and the switching action stays precise, even after thousands of compressor cycles.
Installation Notes
The switch threads right into your AC system’s high-pressure line, usually near the condenser. Make sure the system is depressurized before removal, and don’t over-tighten—the metric threads seal properly with just hand-tight plus a quarter turn. If your AC was cycling rapidly before replacement, you might also want to check refrigerant levels and clean the condenser fins while you’re at it.
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