indicator code 34 (Ignition Proving Failure) is frequently caused by a cracked or heavily fouled sensor that can no longer prove flame to the furnace control board

Professional installation is recommended to ensure correct lead-wire connections and amperage draws

operating within a pressure range of 7

Is the Watts 0121504 interchangeable with the LF174A-1-125

and process kilns

Lennox 89J10 Blower Wheel R-134A indicator code 34 (Ignition ProvingWhen high static pressure or years of debris accumulation causes a failure in your air handler, the Lennox 89J10 Blower Wheel is the professional grade solution to restore factory spec airflow. This 10" x 8 1 2" direct drive blower wheel features a 1 2" bore, engineered for a precision fit on standard motor shafts to eliminate vibration and avoid premature bearing wear. With a 48 blade forward curve centrifugal fan design and a clockwise (CW) rotation