This model is NSF approved. Please see the spec sheet for additional details... https://www.etundra.com/pdf/bun133000004.30432.pdf
This unit does not use an outside water line. This unit utilizes a water tank for water storage.
The Bunn VP17-3 does not require a water line to be hooked up. You will simply need to pour water into the tank. The decanters do not come with this brewer. The part number for the decanter you will need is 26820.