| 摘要 |
A burner sensor is electrically interconnected with a control circuit, the burner sensor enabled for detection of burner operation, the control circuit providing a timing feature enabled, during burner operation, for continuous repetitive timing cycles each for a fixed selected time interval and for activating at least one of an audio, i.e., buzzer, and a visual alarms for a fixed duration, at the completion of each of the timing cycles. Thus the operator is alerted to the fact that a heating coil is hot so that a significant burn and fire hazard is avoided.
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