Sign up for Replacement Flame Sensor For Lennox & Armstrong Furnaces – RS36453B-001, Fits 48HWC, G20Q3E, EG6F60 & More
This flame sensor is a direct replacement for a bunch of Lennox and Armstrong furnace models – part number RS36453B-001.
If your furnace keeps lighting and then shutting off after a few seconds, or you're getting ignition lockout errors, this little sensor is often the culprit.
It's compatible with models like 48HWC18A-3, 48HWC18A-23, G20Q3E-75-1, G20Q3E-50-1, EG6F60DC08-3, EG7A100DC12-13, and a whole lot more – check the full list to be sure.
The sensor is made from durable materials that hold up to high heat and constant use.
Installation is straightforward – just pull out the old one, pop this in, and secure it with the screw.
It's functionally the same as the OEM part, so you're not losing any performance.
No special tools needed, and it'll save you a service call.
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