Description: Up for sale is a Jensen instrument Co. Mercoid Control Pressure Switch.  This is new old stock in the original box.   The box side says " DAW-23-3  R9S".  On the side metal tag it says "Type:  DAW-23-3  RG-9S  U.L.  Serial:  77-20868 2".  It also lists the electrical rating each mercury switch.  It says "The Mercoid Corporation  4201 Belmont  Chicago, Ill 60641   Made in USA". (Please see photos)

Measurements:    The approximate measurements are 7" in diameter by 3" deep.

Condition: This is in good condition.  There are a few scratches on the outside case back from sitting around.  It is new old stock in the original box.  Untested.  (Please see photos)

J2T1

PLEASE LOOK AT ALL PHOTOS: EMAIL WITH ALL QUESTIONS

I am NOT an antique, collectible, metal, wood or any other expert. The items are described as accurately as possible based upon information that I have available.

I take extreme care in packing items to ensure a safe delivery.