This is a genuine Napoleon NZ25 Airwash Baffle Gasket that is compatible with the rear baffle only. This part ships new in its original packaging – it is not an aftermarket equivalent.
Part Number: W361-0021
Part Description: It is the gasket that goes under the back of the piece of steel at the top of the firebox with holes in it to allow the air into the fire.
Applicable Models: Napoleon NZ25 Wood Fireplace.
Purpose: It is designed to allow air into the secondary combustion area of the wood appliance. They also keep the heat in the fire to ensure a cleaner burn.
It is highly recommend that you also replace the Airwash Gasket Front W361-0018
This genuine Napoleon Airwash Baffle Gasket is in stock ready to ship