If the resistance is zero (shorted) or infinite (open)

making it compatible with both natural gas and propane (LP) applications

allowing technicians to pair it with the specific voltage required for the site

For liquid propane applications

Engineered as a robust solution for commercial heating systems

Laars Heating Systems FT1327 Detector R-407A If the resistance is zeroThe Laars FT1327 Flame Detector Sensor is a critical OEM component specifically engineered for the Laars Mascot FT series and high efficiency condensing boilers. As a veteran grade HVAC flame sensor replacement, this Laars heating systems part is designed to provide rapid millivolt feedback to the ignition control module, ensuring the presence of a stable burner flame and preventing hazardous gas accumulation. Constructed from high temperature