Reznor 209166 Fan Control shielding the flame from recirculating

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

This specific model serves as the direct replacement for York 025-27731-701

Can I replace this diaphragm without removing the valve from the line

Designed with a precise

Reznor 209166 Fan Control shielding the flame from recirculatingThe 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