If the sensor is damaged or disconnected while in F or AF mode

this model serves as a direct replacement for the D-3073 series and a functional replacement for the older D-251 pneumatic actuators

Consistent Rotation: Fixed clockwise (CW) rotation geometry ensures the proper directional flow required by Trane HVAC equipment

This 3-pole unit is housed in a rugged NEMA 1 general purpose enclosure

Broad Compatibility: Suitable for all pressure media compatible with stainless steel

Lennox 35K70 Combustion Chamber Kit 321042-401 If the sensor is damagedThe Lennox 35K70 is a critical gas furnace combustion chamber kit engineered for precise flame containment and thermal management. As a direct OEM furnace replacement part, this kit is vital for technicians addressing cracked combustion chambers or heat damaged liners that compromise heat exchanger integrity. The assembly is designed to maintain the specific flame pattern and airflow dynamics required for high efficiency Lennox furnace models. By