The Utica-Dunkirk 26789S Ignitor is a heavy-duty hot surface ignitor engineered for precise combustion initiation in high-efficiency residential and commercial boilers

it ensures proper lubrication by keeping oil thin enough for immediate circulation upon startup

Key Benefits Precise Thermal Control: Features a fixed 140F open and 110F close setpoint for consistent safety cycling

The unit features a manual speed adjustment potentiometer

AERCO Boiler and Water Heater 61024 Temperature Sensor 320074-702 The Utica-Dunkirk 26789S Ignitor isThe AERCO 61024 Temperature Sensor is a vital OEM air inlet temperature sensor engineered specifically for high efficiency AERCO boiler systems and water heaters. As a precision HVAC temperature probe, this component provides real time data to the system's control board, ensuring the combustion process remains optimized based on incoming air density. By utilizing a genuine AERCO replacement part, technicians can resolve boiler sensor fault codes and