Product review (2 stars): Required an adapter for the adapter
At first this machine worked fine. Yes, as some of the reviewers note, it can be a bit difficult to fit large plates but it cleans dishes well as long as they are rinsed beforehand. However, after about 3 weeks the faucet adapter started leaking. We contacted SPT and explained the issue. To me it was apparent that it must have been a poorly made (stripping threads) faucet adapter that was the cause. Our customer service representative (Bridget) was not in agreement. She had all kind of different reasons for why it was not working; including that OUR faucet threading was stripped, that we had used insufficient amount of sealer tape or that we had a non-standard/custom faucet. The threads in our faucet are perfectly intact, as we can use the original aerator that came with the faucet without leaks. The aerator even does not need any thread tape.  Our faucet has a standard female 15/16" thread.

Attached is an image our faucet adapter installed and secured with thread tape. The bit in between the faucet and the faucet adapter was purchased at Orchards and uses the internal 55/64" threads on the original faucet adapter. The outer threads on the original faucet adapter are also clearly visible. From my estimates the outer dimension of the adapter in either incorrectly sizes for 15/16" (standard faucets) or this adapter is just a poor quality piece. The schematics appended I received directly from SPT. From what I can tell a correctly sized 15/16" male should be 23.8125mm in diameter. According to their specs the original faucet adapter measures just 23.6mm, about  0.2125mm smaller than it should be for a good tight fit.

If you do chose to buy this machine, be aware that customer service at SPT is a joke. If you do have to contact customer service for whatever reason, try to get someone else than Bridget. Also Orchards is your friend :)