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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
or the burner cycling off due to a failure to establish a flame rectification signal
this replacement induction blower provides the mechanical reliability required for demanding heating cycles
a dedicated round wrap-around bracket should be used
hot surface igniter (HSI) warm-up
Calibrated to trigger at
Lennox 21793 Blower Wheel 340155-7024 or the burner cycling offReplace a failing or unbalanced Lennox 21793 blower wheel to restore peak volumetric efficiency in residential Lennox air handlers and furnaces. This 12 5 8 x 9 1 2 blower wheel features a 1 2 inch bore size and is engineered for clockwise (CW) rotation when viewing the hub end. Constructed from heavy duty galvanized steel, this double inlet direct drive wheel utilizes 43 precisely spaced blades to ensure quiet, stable operation at speeds up to 1200