Does a bidet spray hose require a backflow prevention valve?

Yes. Should be present.

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Boy, we could spend a lot of time telling home owners to look for, check with manufacturers or verify certain safety devices are in a home that are not visible to us. I am not sure a bidet backflow device would make my list. Each inspector will have to self evaluate this for themselves I suppose.

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yea sure, that is primarily why I hesitate.

but I want to make an effort to stay a step ahead of the one in a million clients who reads & understands the SOP’s… I can imagine someone getting indignant, asking me “why do you call out the missing backflow valve for the garden hose but NOT for the shit hose?!”

And if whatever component that is factory installed in that bidet hose is good enough… why don’t they use that on garden hoses too? why bother with that external, brass, approved plumbing backflow coupler?

and I’m not sure how I would answer those questions. how would you answer them?

Edit: I will say that I’m leaning toward an informational comment regarding this instead of a deficiency. I do not want to send a bunch of people on wild goose chases, although I do want to cover my own ass and look knowledgeable, honestly. Some clients would probably appreciate the understanding and heads up regarding the possibility… after all, we’re talking drinking poo-poo.

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My answer: The subject property bidet backflow protection device was not visually verifiable.
(provided the air gap requirement was not met which means the device nozzle could drop below the fill level of the toilet)

It must satisfy on or more of the following:
image

Check local requirements:
Source: IPC 2018 with GA amendments.

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That is exactly how I handle these situations. Something that is important enought to be aware of, but not necessarily something that needs correcting by the seller. Just plain, good old general information to live a healthy life by!

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Would it be reasonable to state that you could not determine if there was a back flow preventer in the system and suggest the client contact the manufacturer or a certified and licensed plumber for more information.

Why would it not be reasonable if it was true? In fact other than possibly providing the link to the system that would be one way to handle it.

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