Aaon R31420 3" 250°F Limit Switch Thermostat OEM HVAC Safety Device

The Aaon R31420 is a genuine OEM 3-inch, 250°F limit switch/thermostat designed for use in Aaon HVAC equipment. This critical safety component monitors internal temperatures and automatically shuts down the HVAC unit when temperatures exceed the preset 250°F limit, protecting the system from overheating damage.

Key Features:

• Insert Size: 3 inches
• Temperature Limit: L250°F (250 degrees Fahrenheit)
• Type: Limit Switch / Thermostat (Safety Cutout)
• Contact Configuration: SPDT (Single Pole Double Throw) for flexible wiring
• Genuine OEM Part: Direct factory replacement for Aaon HVAC systems
• Rugged construction for reliable performance in demanding HVAC environments

The R31420 serves as an essential overheat protection device, automatically interrupting the circuit when internal temperatures rise beyond safe operating thresholds. Its SPDT contact configuration allows for flexible wiring configurations to suit specific installation requirements. As a direct OEM replacement part, the R31420 ensures a precise fit and reliable operation in compatible Aaon rooftop units and commercial HVAC equipment.