Provide information "to the best of your abilities". Since you are not opening walls, did not build the place, and are not a "licensed" plumber(probably), I am not sure how any inaccuracies could be a problem.
Do some research on what is a red flag to this "cross connection" business.
kitchen sink, single bath, one toilet, clothes washer, no outside faucets.
Unless you are filling ag sprayers from a non airgapped city water source, I am not sure what an urban home owner could be doing to have something sucked back into the pressurized water system.
Provide information "to the best of your abilities". Since you are not opening walls, did not build the place, and are not a "licensed" plumber(probably), I am not sure how any inaccuracies could be a problem.
Do some research on what is a red flag to this "cross connection" business.
kitchen sink, single bath, one toilet, clothes washer, no outside faucets.
Unless you are filling ag sprayers from a non airgapped city water source, I am not sure what an urban home owner could be doing to have something sucked back into the pressurized water system.