[quote=Bob Harper;6023]
1- 6" clearance off that draft hood and single walled pipe so the insulation goes
2-Need draft hood connector to transition from single walled to b-vent
3-Don't see any screws securing the single walled pipe anywhere

I am not sure what you are talking about in quote 1, were is there a need for the 6" clearance. And clearance from what?

As for quote 2 there is a draft hood on the water heater and then goes from single wall pipe into the b-vent. What type of transition are you referring to as I see it the transition is proper.

And then quote 3 you do not see any screws in the single wall pipe as there is only one fitting there and it is an 90 elbow that is opened up to off set the chimney.

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Well thats my 2 cents.
Brian Kelly
Kelly Home Inspections