I have been having a problem when attaching the Python pump to my kitchen faucet. It takes several attempts to get the pump nut on the faucet adapter without cross threading it. Consequently I get water all over the sink and between the sink and the fridge, I was cruising Amazon's Pet Supply web site and found a quick connect connector made by Python the goes between the faucet adapter and the pump. I have used it twice for my WC. No more multiple attempts to attach the Python to the faucet and still water all over the place. Plus a lot less frustration fighting with the multiple attempts to connect. It was sure worth the money spent.
I don't know how to add a link to the post or I would have put it in here. Sorry for my inability.
The Python part Number is #47 or 49.