Now available, Polyflue™, a unique polypropylene flue gas venting system for Category II and IV gas fired heating appliances.  Polyflue has a much higher safety factor than PVC / CPVC plastic pipe used on these same heating appliances.  Polyflue also provides faster and cleaner installations than PVC / CPVC. Polyflue can be sourced through HVAC and/or plumbing wholesale distribution channels. Polyflue is the ONLY polypropylene venting system that is listed by UL, Inc, to the complete ULC S636 test standard at 0” clearance to combustibles at 230°F / 110°C maximum flue gas temperature.  It is also the ONLY polypropylene venting system that allows the required locking bands to be installed during or […]

Single Wall Special Gas Vent: Saf-T Vent EZ Seal is the fastest and most reliable venting solution for Category I, II, III, and IV gas appliances – with no RTV sealant required. AL29-4C® Stainless Steel 3” through 16” diameters Factory built-in silicone seal 3”-5” primarily for Residential applications Tested and Listed to UL1738/ULCS636 by Underwriters Laboratories, Inc Double Wall Saf-T Vent CI Plus is the leading commercial double-wall UL 1738 special gas vent system for condensing heating appliances, made from superferritic stainless steel. With 1″ airspace (and optional 1″ fiber blanket) between the inner wall and the outer wall, CI Plus reduces the required clearance to combustibles and has lower […]