I would call the company and ask if it’s a food grade pump, just because it’s for a potable system, doesn’t mean it’s food grade. The very first guy I bought some brewing equipment from told me whatever I do, only use food grade equipment.
As a plumber who has worked residential, commercial, hospital, restaurant... not to mention my time in three phase winding, electric motor and pump work. What I know on that side of your question, and I don’t know everything, but enough to know that I wouldn’t use it for anything but a wort chiller for brewing. I can’t tell you how many recirc pumps I’ve replaced, including Taco pumps that are loaded with sediment, rust... same as with water heaters. I’ll post a picture of what came out of a potable water heater three years old. Second floor, so we partially drained it into the tub. Actually plugged the drain. 1920’s building and I suspect improper materials are somewhere in the system. But just an example of what can be in potable systems.
I recently asked a question on here about a stainless steel pump head and impeller from Harbor Frieght for transfer without thinking before posting. Saw stainless and thought... maybe. Nope. Brain fart on my part.
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