If it is vented vertically thru a 7 inch pipe is a damper required. Would a Broan BP-87 be the correct damper?A. The Broan QP130 will require and damper and only a 7" will fit. Also the BP-87 is the correct damper unit.
Does the Broan QP 130 require a damper discharge if used vertically?A. The Broan QP130 only requires a damper if you use rectangular 3-1/4" x 10" ducting. This damper is included with the hood.