What are the signs that my Lennox ignitor has failed

Also identified as part number X115201

What are the primary replacement cross-references for this part

Precise 2-Stage Calibration: Factory-set at -0

the 42W94 is rated for 460V/480V primary applications

Fenwal 35-655005-013 Control 30067439-890 What are the signs thatThe Fenwal 35 655005 013 is a specialized 24VAC direct spark ignition (DSI) control designed for precise dry steam boiler applications. This microprocessor based module manages the ignition sequence, flame monitoring, and safety shut off functions with a 15 second trial for ignition (TFI). Engineered for single rod flame sensing, it utilizes a local sense configuration to maintain reliable operation in high moisture environments. The control board