Description
The Reznor 122990 Limit Control is a genuine OEM safety component designed for commercial and industrial Reznor gas-fired unit heaters and HVAC equipment. This manual reset limit switch is engineered to open at 180°F, interrupting operation when temperatures exceed safe limits to prevent overheating and protect internal components. Once the fault condition has been addressed, the switch must be manually reset — ensuring that potential issues are reviewed before restarting.
Key Features
- Genuine Reznor OEM limit control for commercial HVAC applications
- Opens at 180°F to protect against overheating
- Manual reset design ensures issues are inspected before restart
- Manufactured to factory specifications for reliable performance
- Durable construction suitable for heavy-duty heating environments
- Essential safety component in unit heaters and industrial HVAC systems






