What causes the burner to light for 4 seconds then shut down

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Check your furnace model and blower kit number

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Weil McLain 511-330-099 Ignition Control Els PW 17895 What causes the burner toThe Weil McLain 511 330 099 Ignition Control is a critical electronic component engineered for intermittent pilot ignition systems in gas fired hydronic boilers. Designed specifically for the Weil McLain CGi series (Series 1 through Series 4) and compatible with select CGs and CGt models, this 120V AC module manages the full ignition sequence, including spark generation, flame rectification, and safety shutoff protocols. For technicians