Bill, do you have a schematic or part number for this control circuit with snubber by chance?
Here is a simplified example of a snubber for AC.
And a “fly-back” diode for DC. Note polarity.
<img src="http://www.picbasic.co.uk/forum/attachment.php?attachmentid=1885&stc=1&d=118558358 0" />
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