Modine . 33356

In STOCK Modine 33356 Vertical Concentric Adapter Kit:- Allows 1 hole in roof when venting 2 pipe Modine separated combustion unit heaters.- Heavy duty metal concentric adapter box includes flanges for quick mounting to interior.- 3.75 inch round fresh air inlet collar sized to accept 4 inch round vent pipe. Vent pipe NOT included.- 4.75 inch round exhaust air opening sized to allow 4 inch vent exhaust to pass through to outdoors. Vent pipe NOT included.- 5.75 inch round fresh air / exhaust air collar sized to accept 6 inch round fresh air intake pipe. 4 inch vent exhaust passes through 6 inch fresh air intake pipe. Vent pipe NOT included.- Includes all weather fresh air inlet cap and all weather exhaust air cap.

<p><ul><li>The Vertical kitconcentric vent kit adapter box for arranging the tubing properly, as well as both vent and combustion air pipe terminals.</li></ul></p><p><b>Specifications: </b><ul><li>Type:Venting</li></ul></p>