+5% Tax • Shipping calculated at checkout.
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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 4-inch x 12-inch B-Vent adjustable pipe is a critical component for safe and efficient gas-fired appliance exhaust systems. Designed specifically for Category I appliances, such as furnaces, boilers, and water heaters, this double-wall venting pipe ensures proper drafting and thermal insulation to protect surrounding structures. The adjustable design allows for precision fitting between standard pipe lengths, making it ideal for navigating tight spaces or customized venting runs during HVAC installations. Its durable construction is engineered to resist corrosion and handle the high-temperature exhaust gases produced by modern heating equipment, ensuring a long-lasting and reliable seal for your home ventilation system.
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 638-127 is a replacement part. Match your furnace model number on our site to confirm the fit. This Metal Venting 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 (638-127) with your furnace model number. Visit the homepage and enter your model number in the search bar — our system will show all compatible Metal Venting for your specific unit. You can also call our technicians at 1-778-759-9864 for free compatibility verification.
Most Metal Venting including the 638-127 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. Metal Venting orders are usually ready within 24 hours. Call us at 1-778-759-9864 to confirm the 638-127 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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