The Daikin-McQuay 20162904 is an OEM auto-reset CO (cut-out) limit switch designed to protect commercial HVAC equipment from overheating conditions. With a 150°F setpoint, this limit switch automatically interrupts the circuit when temperatures exceed the rated threshold, then resets once safe operating temperatures are restored — eliminating the need for manual intervention and reducing system downtime.
Key Features
- 150°F auto-reset (CO) limit switch for reliable over-temperature protection
- Automatic reset operation restores normal function once temperatures return to safe levels
- OEM Daikin-McQuay replacement part — ensures compatibility and performance
- Designed for use in commercial HVAC and applied equipment applications
- Helps safeguard heating and air handling systems from thermal damage
- Direct drop-in replacement for original equipment serviceability
Application
This limit switch is a genuine Daikin-McQuay replacement component intended for use in commercial HVAC systems where over-temperature protection is critical. It is ideal for service technicians and facility maintenance professionals performing OEM-spec repairs on Daikin-McQuay equipment.
Specifications
- SKU: 20162904
- Brand: Daikin-McQuay
- Type: CO (Cut-Out) Auto-Reset Limit Switch
- Temperature Setpoint: 150°F
- Reset Type: Automatic (AUTO)








