BCFURNACE
636-354
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
3" PVC FGV COUPLING HXH S636
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

3" PVC FGV COUPLING HXH S636 PVC Schedule 40, 636 PVC, S636, ABS
+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
Usually ready in 24 hours
This 3-inch PVC FGV (Flue Gas Venting) coupling is an essential component for high-efficiency gas appliance exhaust systems. Designed as a Hub x Hub (HxH) connector, it provides a secure, leak-proof union for joining two sections of 3-inch diameter piping. Manufactured from high-quality Schedule 40 material, this S636-certified coupling is specifically engineered to handle the demands of flue gas venting from modern HVAC equipment. It is highly resistant to corrosion and chemical degradation, making it a reliable choice for the safe venting of high-efficiency furnaces, boilers, and water heaters in both residential and commercial applications.
Compatible parts and related replacements
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