The heater flame sensor ensures that there's a burning flame inside your furnace. The PROTECH™ furnace flame sensor detects when the burner flame has ignited and sends a signal to the furnace control board to stop the igniter from operating.
RUUD® Flame Sensor, 1/4 in Male Quick Connect Connection, Dimensions: 1-13/16 in Offset, 2-1/16 in Flange to Sensor Tip
| Dimensions | 1-13/16 in Offset, 2-1/16 in Flange to Sensor Tip |
| Connection Type | 1/4 in Male Quick Connect |
- 2-1/2 in mounting flange to sensor tip length