Description
Ouellet PRT04 L150-40F Limit Switch Overview
The Ouellet PRT04 is an OEM replacement limit switch designed for use with Ouellet electric heating equipment. Identified by the model designation L150-40F, this safety device monitors heater temperatures and interrupts the circuit when an unsafe overheat condition is detected, protecting both the equipment and the surrounding environment from thermal damage.
How It Works
A limit switch is a critical safety component in electric baseboard heaters, convectors, and fan-forced heaters. When internal temperatures exceed the rated setpoint, the limit switch opens the electrical circuit, cutting power to the heating element. Once temperatures fall back within the safe operating range, the switch resets — either automatically or manually depending on the configuration — restoring normal heater operation.
Key Features
- OEM Ouellet replacement part — ensures proper fit and function
- L150-40F designation indicates a 150°F trip setpoint with 40°F differential
- Provides essential overheat protection for electric heating units
- Designed for reliable, long-term performance in residential and light commercial applications
- Direct replacement for compatible Ouellet heater models
Application
- Compatible with select Ouellet electric baseboard, convector, and fan-forced heater models
- Suitable for residential and light commercial heating systems
- Ideal for service technicians performing OEM-quality repairs and maintenance
Why Choose OEM Ouellet Parts?
Using genuine Ouellet replacement components ensures your heating equipment operates safely and within manufacturer specifications. OEM parts maintain warranty compliance and deliver the reliability that aftermarket alternatives may not guarantee. The PRT04 limit switch is engineered to the same standards as the original factory-installed component.
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