DuraVent FasNSeal Crown, Dunkirk, and Modine Termination Appliance Adapter: listed for specific Crown, Dunkirk, Modine, and Viessmann appliances
The DuraVent FasNSeal Crown, Dunkirk, and Modine Termination Appliance Adapter is a termination adapter listed for specific appliances. DuraVent lists it for Crown Bali, Bimini, and Cabo models, Dunkirk XEB-2 to XEB-5, Modine BDP, HDS, and PDP, and the Viessmann Vitogas 50 ECV. FasNSeal is DuraVent’s stainless steel vent for high efficiency gas boilers, furnaces, and water heaters, built to carry pressurized exhaust and its acidic condensate outside. FasNSeal vent sections have welded seams.
Choose a 3 inch or 4 inch size on this page. DuraVent calls for high temperature silicone sealant for all the listed models except the Modine HDS. Sealant is not included. An experienced professional should handle the vent work, and DuraVent recommends a yearly check of the complete vent by a qualified inspector. Looking for the Dunkirk appliance adapter? See the DuraVent FasNSeal Dunkirk XEB Series and Pennco FSB Series Appliance Adapter. The DuraVent FasNSeal Crown, Dunkirk, and Modine Termination Appliance Adapter ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.








Commercial projects may require custom parts and unique system designs. Duravent offers complete project assistance:








































