Heat-Fab 9401VSMN Stainless Steel Saf-T Vent Seal 4" Saf-T Vent Seal Viessman Adapter 9401VSMN

Heat-Fab 9401VSMN Stainless Steel Saf-T Vent Seal 4" Saf-T Vent Seal Viessman Adapter 9401VSMN

4" Viessman AdapterSaf-T Vent Seal is manufactured entirely of AL 29-4C superferritic stainless steel. We won?Æt compromise performance with conventional alloys anywhere in the system. Laser butt seam welds and advanced resistance-welded fittings leave walls smooth inside, to minimize friction and resistance, and prevent collection of combustion by-products. Saf-T Vent Seal is UL 1738/ULC S636 and is Listed to meet all code requirements for condensing and positive pressure special gas vent systems.Saf-T Vent Seal speeds installation on any job. Since no curing is required, Seal allows the appliance to be started as soon as the installation is complete.Easy to install, because the seal s built right in.Engineered for fast, secure installation.Reliable performance.Manufactured using AL429-4C Stainless Steel.