Reznor 209166 Fan Control Using a genuine Lennox 87H92

Using a genuine Lennox 87H92 replacement ensures proper HVAC part compatibility and prevents the common "blower fan stuck on" or "short cycling" issues often caused by out-of-spec aftermarket alternatives

as well as the White-Rodgers HDT2600 and Honeywell HE120 series

Common indicators include the furnace blower running continuously without heat

How do I identify the different pressure ratings in the kit

For a technician in the field

Reznor 209166 Fan Control Using a genuine Lennox 87H92The Reznor 209166 Fan Control is a critical OEM replacement part designed for specific gas fired unit heaters. Engineered with a 125 degree F fixed temperature setting, this limit switch ensures precise control over the blower motor cycle by monitoring internal heat exchanger temperatures. Manufactured to meet Thermodisc 60T82 314585 specifications, it operates as a normally open contact that closes on temperature rise, facilitating proper airflow