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3" Exhaust / 3" Intake Concentric Vent Kit is manufactured from AL29-4C stainless steel and is desig..
$ 205.95
3" Exhaust / 3" Intake Concentric Vent Kit is manufactured from AL29-4C stainless steel and is desig..
$ 205.95
Concentric vent kits for Category III (standard efficiency, positive pressure) and Category IV (high efficiency/condensing, positive pressure) appliances, including wall-mounted and floor standing water heaters, boilers, etc.
A concentric vent kit combines both gas flue (exhaust) and fresh air intake piping in a single unit, making installation quicker and easier. It also comes with a built-in wall thimble to cover a wall opening. These kits are mainly used in "Power Direct Vent" installations where appliance is installed in a confined space (such as a closet) and therefore requires a separate supply of fresh air from outdoors.
For flue gas - use Z-Vent or NovaVent pipe and fittings (connects directly to concentric vent flue). For fresh air intake - aluminum duct (such as 1TLXXXX0350, 1TLXXXX0425 or similar) and gear clamps (7HS44XX, 7HS64XX or similar).
