Reply to "steam whistles"

They need AC for power, and a DC signal from the bell/whistle button on the transformer to trigger them.

They should work above 12 volts.

No on/off switch, just the bell/whistle button on the transformer.

Larry

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                $('#{%=id%}Okay').on('click', {%=id%}Okay_click);
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    </script></li></ul><a href="javascript:void(0);" class="close-reveal-modal" aria-label="Close Modal">&#215;</a><div class="last-modal-focus focus-utility-element" tabindex="0"></div>
</div>
<script type="text/javascript">
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