Normally Closed AC High Pressure Switch – Universal for Heavy-Duty Trucks.
This normally closed AC high pressure switch monitors the discharge line from the compressor to the condenser. It signals the engine ECM to engage the cooling fan when pressure becomes excessive, helping protect the AC system.
Kit Includes:
- (1) Normally Closed AC High Pressure Switch
Key Specifications:
- Opens at 340 psi (stops signal to ECM)
- Closes at 210 psi (resumes signal)
- 1/4" female flare threads
- Universal fit for any truck make or model
Important Notes:
- Installs on the main AC discharge line (compressor to condenser).
- Signals the ECM to engage the engine fan under high pressure conditions.
- Contact Kustom Truck for installation guidance and compatibility confirmation.