Reznor 272743 Flame Sensor 320819-301 Proper installation of this chimney

Proper installation of this chimney draft regulator reduces soot buildup and prevents high-limit trips by maintaining steady airflow through the combustion chamber

Industrial Durability: Robust construction suitable for high-temperature steam and high-vibration industrial sectors

Constructed with a rugged aluminum body and NBR seals

Verify the equipment model and serial number

For technicians servicing Carrier heating and cooling units

Reznor 272743 Flame Sensor 320819-301 Proper installation of this chimneyThe Reznor 272743 Flame Sensor is a critical safety component designed for precise rectification in Reznor unit heaters and power vented systems. This genuine Reznor OEM part is engineered to withstand the high temperature environment of the combustion chamber, ensuring consistent flame signal detection for the ignition control board. As a veteran technician knows, a fouled or degraded sensor is a primary cause of short cycling and nuisance lockouts.