Description
The Reznor 196949 Manual Reset Flame Rollout Limit Switch is a genuine OEM safety device engineered to protect commercial and industrial Reznor gas‑fired unit heaters from hazardous flame rollout and overheating conditions. Calibrated to trip at 225 °F, this manual reset limit switch interrupts system operation if abnormal heat or flame rollout is detected — helping prevent damage to internal components and safeguard occupants and equipment.
Key Features
- Genuine Reznor OEM flame rollout/limit switch designed for safety applications
- Manual reset operation requires technician confirmation after a fault condition
- Calibrated to open at 225 °F to detect flame rollout and overheat conditions
- Helps protect internal heater components from overheating and flame damage
- Precision‑manufactured for compatibility with select Reznor unit heaters
- Durable construction suitable for commercial and industrial HVAC environments






