Automation Components Inc (ACI) A/AN-O-EH Thermistor 318973-401 or "barking" sounds during the

or "barking" sounds during the ignition sequence

It is intended for specific AERCO models—confirm compatibility before purchase

the Wayne 31812-003 Ignitor is a critical 12V DC component engineered for constant-duty performance

allowing technicians to efficiently access flueways for scale and debris removal

providing a direct fit for compatible Lennox furnace models

Automation Components Inc (ACI) A/AN-O-EH Thermistor 318973-401 or "barking" sounds during theThe Automation Components Inc (ACI) A AN O EH is a high precision 10K Type III thermistor engineered specifically for outdoor air temperature monitoring in commercial HVAC systems. This outside air sensor features a specialized European style enclosure designed for flush mounting on exterior walls, ensuring optimal exposure to ambient conditions while protecting internal components. The rugged housing includes a gasketed cover and watertight fitting,