Description
The Reznor 221637 Single Gasket is a genuine OEM replacement designed to restore proper sealing in Reznor gas-fired unit heaters. Commonly used in heat exchanger or header applications, this gasket helps maintain system efficiency by preventing air and combustion gas leaks.
Built to meet original factory specifications, this ensures a secure fit and reliable performance during service or repair. Ideal for HVAC professionals performing maintenance on Reznor equipment, the 221637 gasket supports safe operation and proper airflow sealing within the unit.
Features:
- Genuine OEM Reznor replacement part – ensures proper fit and performance
- Designed for heater header / heat exchanger sealing applications
- Helps prevent air leaks and combustion gas escape
- Maintains system efficiency and safe operation
- Ideal for service, repair, or preventative maintenance
- Durable material designed to withstand high-temperature HVAC environments
