636-611

This 2-inch Single-Wall to Flex Vent Coupler is a professional-grade solution for connecting rigid piping to flexible venting systems in high-efficiency appliance installations. Engineered for precision and safety, this adapter facilitates a seamless transition from standard rigid materials like PVC Schedule 40, S636, or ABS to flexible polypropylene liners. It is an essential component for HVAC technicians and plumbers when routing exhaust through existing chimneys or complex architectural paths. This coupler ensures an airtight seal, vital for the safe discharge of combustion gases from condensing furnaces, high-efficiency boilers, and tankless water heaters. Its durable construction is designed to withstand the acidic condensate and temperature fluctuations common in modern venting environments.
Type: Venting Coupler / Adapter
Size: 2-inch
Application: Used to transition between rigid exhaust piping and flexible venting liners in condensing furnace, boiler, and tankless water heater installations.
Specifications: Compatible with PVC Schedule 40, S636 PVC, and ABS piping; designed for polypropylene venting systems; single-wall to flex configuration.