DuraVent® FasNSeal® Special Gas Vent Pipe, Single Wall, 4 in Dia, 18 in Length, Stainless Steel
Diameter : 4 inLength : 18 inMaterial : Stainless SteelType : Single Wall
0.016 in THK inner and outer wallFas
* NSeal® is manufactured from AL29-4C®, a superferritic stainless steel designed for extreme resistance to chloride ion pitting, crevice corrosion and stress corrosion cracking, as well as general corrosion in oxidizing and moderately reducing environmentsAL29-4C® is an ideal choice for resisting deleterious effects of corrosive condensates created by partially or fully condensing natural gas and propane fired heating appliancesFas
* NSeal® must be sized according to the heating appliance manufacturers instructions, NFPA 211, NFPA 54 and any other relevant local building codes and regulationsUse with natural gas or propane Categories II, III and IV appliances or Canada's Type BH Gas Vent Systems, having a maximum rated operating temperature of 480 deg F and a maximum positive pressure of 15 in (Fas
* NSeal Flex 6 in) water column