Aaon R70220 240°F Limit Switch 3-Inch Insertion Enclosed HVAC OEM Replacement

The Aaon R70220 is an OEM replacement high-temperature limit switch designed for use in Aaon HVAC systems. With a 240°F trip temperature, this enclosed limit switch with a 3-inch insertion depth monitors system temperatures and automatically interrupts the circuit when a potentially damaging high-temperature condition is detected, helping to protect your equipment from overheating.

Key Features:

• Trip Temperature: 240°F — opens circuit at elevated temperature to prevent equipment damage
• Insertion Length: 3 inches — designed for proper probe depth in duct or heat exchanger applications
• Enclosed (Enc) Design: Protective enclosure shields internal components from contaminants and harsh operating environments
• Auto Reset: Automatically resets once temperature returns to a safe operating range
• OEM Part: Genuine Aaon replacement part ensuring proper fit and function in compatible Aaon rooftop units and air handlers
• Reliable Protection: Provides critical over-temperature safety shutoff to safeguard heating and cooling equipment

This genuine Aaon limit switch is an exact drop-in replacement, preserving original system performance, efficiency ratings, and certifications. It is ideal for HVAC technicians and facilities maintenance professionals servicing Aaon commercial rooftop units and air handling equipment.