Smith 100108683 Thermostat is a high-performance upper thermostat w/ ECO & cover designed for precise temperature regulation in residential and commercial electric water heaters

How does this differ from a single-pole thermostat

stable burner operation and efficient exhaust through the venting system

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

Laars Heating Systems FT1327 Detector R-407A Smith 100108683 Thermostat is aThe 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