Installation took a fair amount of planning to make sure the unit had enough room, the filter is accessible for future changing and the tubes could reach.

I bought a refurbished unit that was missing a critical connection piece. I could not find the colette to purchase separately so I purchased a small plastic valve (I think it was for irrigation) and disassembled it to use its colette. 

The unit works well and though the flow is a little slower than I had expected, it always provides near boiling hot water.