Reznor 209166 Fan Control which can damage the brass

which can damage the brass threads

shielding the flame from recirculating air that could lead to nuisance shutdowns or intermittent ignition cycles

all of which reduce airflow and cause internal temperatures to exceed the 190

Using it in non-specified actuators may lead to improper valve sequencing or failure to close under pressure

Designed with a precise

Reznor 209166 Fan Control which can damage the brassThe 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