SSI offers great trade-in values for your used equipment from any brand or manufacturer.

Trade-In Allowance

Used units of any brand or manufacturer may be returned to any authorized SubSurface Instruments dealer for a discount against the purchase of a new unit. To find your local dealer, click here.

Used units must be deemed to be of similar grade and caliber to qualify for a trade-in at the sole discretion of SubSurface Instruments.

Please download a printable version of the form fill it out and fax it to 920.347.1791 or mail it to: 

SubSurface Instruments, Inc.

1230 Flightway Rd.

De Pere, WI. 54115


Privacy: This information will not be shared with any outside company.

By sending this information, you acknowledge that SubSurface Instruments, Inc. and its affiliates may contact you regarding special offers, news and announcements. Your information will remain confidential and will not be shared.