Terex
Pressure switch for Terex PT70
This pressure switch monitors refrigerant levels within the optional air conditioning system of the Terex PT70 compact track loader. It acts as a control component to protect the system compressor by detecting low pressure thresholds.
Parts diagram
Compatible models
Specifications
- Part number
- 2045-889
- Brand
- Terex
The 2045-889 pressure switch serves as a control component within the optional air conditioning system of the Terex PT70 compact track loader. This part monitors the refrigerant pressure inside the cooling loop to ensure the system operates within safe parameters. By detecting pressure levels that drop below a specific limit, the switch signals the system to deactivate the compressor, which prevents potential damage caused by running the unit without sufficient refrigerant. It is a necessary component for maintaining the operational status of the climate control assembly.
This component is designed for fitment on the Terex PT70 model. It functions as a safety mechanism that interrupts electrical current to the compressor clutch when low pressure is sensed, typically due to a leak or a system fault. Pressure switches of this type are standard in mobile HVAC systems to safeguard mechanical equipment against the risks of low-load operation. Proper function of this switch ensures that the compressor remains protected during periods of refrigerant loss or system pressure instability.

