Vent connection

What do you guys make of this vent connection at the chimney?


Not allowed here Local AHJ rules no flex.

Looks like it might be a Z-Flex liner:

Z-Flex (Small).gif


That looks like it. Thanks. I told my client you guys would get back to me quick!:smiley:

You might wan to check that .PDF - I know you need a listed connnctor if to B-Vent, I don’t know about single wall, though.