Description
The AAON R54570 is a genuine OEM limit switch designed for use in AAON HVAC equipment. Engineered to protect heating systems from overheating conditions, this limit switch monitors supply air or heat exchanger temperatures and opens the circuit when the set-point threshold is reached, shutting down the heat source before damage can occur.
Key Features
- Genuine AAON OEM replacement part (SKU: R54570)
- 3″ insertion depth for proper sensing placement within ductwork or heat exchanger applications
- 205°F trip point for precise high-limit temperature protection
- Designed to interrupt the heating circuit upon reaching the rated temperature, preventing equipment damage and unsafe operating conditions
- Direct OEM replacement ensures proper fit and function in compatible AAON rooftop and air handling units
Application
This limit switch is a critical safety component in AAON heating systems. When supply air or heat exchanger temperatures exceed the 205°F threshold, the switch opens to cut power to the heating element or burner, protecting the equipment and building occupants. Always replace with the correct OEM part to maintain system safety and warranty compliance.
Specifications
- Part Number: R54570
- Brand: AAON
- Type: High-Limit Switch
- Insertion Depth: 3″
- Trip Temperature: 205°F
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