Is the 246-424 sold as a pair or a single unit

the heat pump failing to initiate a defrost cycle

it maintains critical outlet pressure control within the 3

Always verify your specific model and serial number before installation

providing a precise fit for existing system layouts

Reznor 209166 Fan Control Is the 246-424 sold asThe 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