Lennox 21L99 FLAME SENSOR FLAME SENSOR

FLAME SENSOR

The SensiTec Flame Sensor is specially designed to allow both the FLAME SENSOR and the BURN SENSOR function to work as one. The flame sensor monitors flame activity independently at all times, while the burn sensor functions when an actual flame is present. This corresponds with today's rigorous environmental standards while providing greater safety and peace of mind to you as the homeowner. Both sensors are housed in a compact black plastic case allowing visibility of operation.

Detection of a fire is crucial to early suppression and reducing the loss of home comfort. Lennox Flame Sensor ensures that your system is working properly by monitoring the flow of gas at the burner, helping identify the primary source of flame failure. With Flame Sensor, you can adapt to any situation and provide optimal safety and comfort protection for your family.

Lennox 21L99 Flame Sensor are designed to replace the flame sensors on a Lennox HD36AC-2 furnace that six months or older with the flame sensor part number 01A-0128.

The 21L99 Flame Sensor by Lennox with dual sensing capabilities will help you enjoy peace of mind while you are gone. Your homes comfort can be monitored and controlled through the use of an Ethernet connector or a mobile device using the free App, LENNOX Home Comfort View. Shielded wires in the flame sensor for long lasting durability. Built-in audible alarm warns of a malfunction at the furnace without the need to access unit.

The Flame Sensor automatically adjusts the heat output of your boiler to bring it back to a specified temperature every time.  This means you can rest assured that your home will always be heated to a comfortable level throughout the day - even when you're asleep or away from home.

Control the temperature of any gas furnace or boiler. Flame sensor monitors flame and shuts down burner when flame is extinguished. Flame resets itself automatically. Flame sensor requires 1? hole for mounting.

Lennox Flame Sensor models come equipped with a signal device which provides 24-hour protection for up to eight zones. The patented flame detector fits into the gas supply line returning from all Lennox gas furnaces and automatically detects pilot flame presence. If the pilot flame ever goes out, the detector notifies you by activating an audible alarm within 10 seconds of the pilot going out.