Hi @ibj40
I don't know if you are interested, but the Pro Plus 2 might still be replaceable under the Oceanic Service plan for $175. The service page lists the PP2 as obsolete, but with limited availability. It would not hurt to inquire. I last had a PP2 replaced in November 2019, it was already called obsolete with limited availability.
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Oceanic Services - Oceanic Worldwide
Factory Full Service and Calibration is our standard repair process for any malfunctioning (current model) dive computer or instrument. During the Factory Full Service and Calibration process for digital instruments, the instrument is completely disassembled down to the main circuit board. This...www.oceanicworldwide.com
They are in the process of updating their website.
There are no more rebuilt Pro Plus 2 computers.