The Reznor 121275 is a blocked flue stack safety device for commercial heating systems that prevents overheating and equipment damage by detecting excessive flue temperatures. It features a manual reset switch and ECO (Energy Cut-Off) function that activates at 275°F to shut down the unit when airflow is blocked. Designed for Reznor HVAC systems, it improves safety and extends equipment life by identifying ventilation problems early.
Reznor 121275 Stack Flue Block Manual Reset 275°F
Reznor
$34.95
In Stock
- Replaced by
- REZRZ121275
- Fits brands
- Reznor
- SKU:
- 121275
- Product Type:
- Stack Flue Block / Limit Switch
- Subcategory:
- Temperature Limit Switch
- Application:
- Commercial
- System Type:
- Furnace, Gas Heater, Rooftop Unit
- Installation Type:
- OEM Replacement
- Setpoint Range:
- 275°F
- Fuel Type:
- Natural Gas
- Control Type:
- Non-Programmable