Description
The AAON R70240 is an OEM auto-reset limit switch engineered specifically for AAON commercial HVAC equipment. Designed to monitor supply-air or equipment temperatures, this limit switch opens the control circuit when temperatures reach the 95–105°F threshold, shutting down the system to prevent overheating damage. Once temperatures fall back within the safe operating range, the switch automatically resets — eliminating the need for manual intervention and minimizing equipment downtime.
Key Features
- Auto (automatic) reset operation — resets once temperature returns to safe range
- Operating temperature range: 95–105°F trip point
- OEM AAON replacement part — direct-fit for compatible AAON rooftop and commercial HVAC units
- Protects equipment from overheating and thermal damage
- Reliable, consistent switching action for long service life
Application
The R70240 limit switch is a genuine AAON replacement component intended for use in AAON commercial rooftop units and air handling equipment. It is a critical safety device that interrupts the control circuit upon detecting abnormal temperature conditions, safeguarding both the equipment and the building occupants.
Specifications
- SKU / Part Number: R70240
- Brand: AAON
- Reset Type: Automatic (AUTO)
- Temperature Range: 95–105°F
- Application: Commercial HVAC / Rooftop Units







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