LB-74940A Flame Sensor Kit REPLACES
Installing the LB-74940A Flame Sensor Kit replaces the LB-74937 on Lennox Residential gas furnaces with Flame-On sensor system. This kit is made up ...
A flame sensor kit that replaces the LB-74940A flame sensor and is used on the Lennox XL180, XL190 and XL200 furnaces.
The 52W29 LB-74940A Flame Sensor Kit is easy to install and replaces your existing flame sensor kit. Using flame ionization technology, it will instantly detect any smoke or gas and activate the heat source as needed to reignite a pilot light.
Flame sensor kit that replaces the 52W29 in Lennox commercial boilers.
This Flame Sensor Kit replaces models 003-0028 and 005-0143.
The Lennox CBFBQCB is a replacement flame sensor kit containing a tube with a flame pattern sensor in direct contact with gas. This part is compatible with the following models:
In many Lennox models, a flame sensor is installed at the exhaust flue to insure that the furnace cannot operate if a flame is present in the exhaust pipe. Over time, these sensors can fail which may lead to carbon monoxide (CO) poisoning or an unsightly fire. This Lennox flame sensor kit includes all of the components required to replace the failed flame sensor and ensure continued proper operation.