+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3, Coquitlam
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
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.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–5PM PT · Or email parts@bcfurnace.com
Compatible parts and related replacements
The 636-611 is made by Centrotherm. It replaces the original part in compatible furnaces; check your model number to confirm the fit. This PVC Schedule 40 is backed by our 100% compatibility guarantee — if it doesn't fit your furnace, we'll make it right.
The easiest way is to match the part number (636-611) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible PVC Schedule 40, 636 PVC, S636, ABS for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most PVC Schedule 40, 636 PVC, S636, ABS including the 636-611 ship within 1–2 business days from our warehouse. We ship across Canada and the United States, and worldwide, with tracking on every order. For urgent furnace repairs, contact us at 1-778-759-9864 for expedited shipping options.
Yes! Local pickup is available at our Coquitlam, BC location: 75 Blue Mountain St #3. PVC Schedule 40, 636 PVC, S636, ABS orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 636-611 is in stock before visiting.
Still not sure this is the right part? Call 1-778-759-9864 and we will check your model number with you.
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