Reznor 272743 Flame Sensor 318518-761 When replacing an OEM furnace

When replacing an OEM furnace blower motor

and air leakage in demanding environments

Key Benefits Compatible with Hydrotherm Multi-Temp modules and commercial hydronic system headers

baseboard heating

reversible feedback on filter-drier performance

Reznor 272743 Flame Sensor 318518-761 When replacing an OEM furnaceThe 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.