Selectivend USI Wittern 3151 3189 CB500 CB700

This update kit is compatible with USI/Selectivend models that have a red display and keypad membrane.  It is not designed for machines with the blue display.

.Fits models 3151, 3189/, CB500, CB700 soda vending machine kit

This is a high-quality kit that enables you to update a machine to the same electronic reliability as new equipment.

Kit features:
- Resident Dex (5.0 and 6.0)
- MDB allows for use of wireless, credit card readers, etc.
- Downward compatible to original dumb mech. and pulse validators
- New 2 x 16 LCD display makes programming and repairs easy
- One year manufacturer's warranty
- Detailed instructions