Substituting with a higher limit can bypass critical safety protections for the heat exchanger

While designed as a direct Carrier OEM replacement part

system start-ups

For technicians dealing with corroded enclosures or a compromised HVAC control module

Bi-Directional Operation: Optimized for heat pump applications with symmetrical flow capabilities in both cooling and heating modes

Reznor 210766 Flame Sensor 318172-701 Substituting with a higher limitThe Reznor 210766 Flame Sensor is a critical replacement component engineered for precise flame rectification in industrial and commercial heating systems. Designed specifically for units utilizing 42 60 inch burners, this high temperature sensor ensures consistent signal feedback to the integrated ignition control module. In technical terms, the probe detects the presence of a flame through the process of ion conduction, preventing "no heat" calls