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Mystery vacuum/pressure 120VAC indicator light

Mystery vacuum/pressure 120VAC indicator light

$ 1.95
599 in stock. Contact us for greater quantity.

This is a vacuum or pressure indicator.  On the inside, there's a neon (we think) bulb that presumably lights up once the pressure switch trips.  We have no clue when that might happen, so we tried lighting it up with some alligator clips.

Can't make out the text on the plastic, unfortunately.

If any of you braniacs figure this out, please do let us know.


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