DuraVent | PolyPro Female Appliance Adapter 3"-8" Inner Diameter

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Sale price$60.91 Regular price$67.67
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Size: 3"

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Welcome to the world of advanced venting solutions with the DuraVent PolyPro Female Appliance Adapter. In today's ever-evolving HVAC and Hearth markets, innovation is the key to efficiency and safety. DuraVent, the industry leader, introduces a game-changing product that promises not just convenience but peace of mind.

DuraVent has long been synonymous with excellence in the venting industry. Our commitment to engineering brilliance has allowed us to create products that redefine safety standards. The DuraVent PolyPro Female Appliance Adapter is no exception. Designed with precision, it simplifies venting processes for high-efficiency gas-burning appliances, making installations faster and more reliable.


  • Enhanced Safety: With a higher operating temperature limit of 230°F/110°C, PolyPro ensures your venting system can handle the heat, outperforming PVC and CPVC alternatives.
  • Time and Cost Savings: Say goodbye to cumbersome adapter connectors and locking clamps. Our Female Appliance Adapter is designed for a hassle-free, tool-free installation.
  • Versatile Compatibility: Suitable for a wide range of gas-burning appliances, including high-efficiency water heaters, condensing boilers, and warm air furnaces.
  • Peace of Mind: Compliant with ANSI Category II and IV standards, and approved by Intertek to the ULC S636 standard, you can trust the PolyPro Adapter to meet the highest industry standards.
  • Condensation Management: Engineered with a condensation management system to keep your venting system dry and efficient.

Key Features:

  • Seamless Connection: Easily connects PolyPro to a nominal-sized pipe with a smooth male end outlet.
  • Tool-Free Installation: No adapter connector or locking clamp needed – hose clamps on both ends simplify the setup.
  • Robust Build: Crafted with durable materials to withstand the rigors of venting high-temperature gases.
  • Broad Compatibility: ANSI Category II and IV certification ensures suitability for a wide range of gas-burning appliances.
  • Trusted Certification: Approved by Intertek to the ULC S636 standard, meeting stringent safety and performance requirements in Canada.


The DuraVent PolyPro Female Appliance Adapter is the go-to solution for venting high-efficiency gas-burning appliances, including:

  • High-efficiency water heaters
  • Condensing boilers
  • Warm air furnaces


Model Dimension
FSAAU3-3PP 3.2" (A) x 3" (B) x 5" (C)
FSAAU4-4PP 4" (A) x 4" (B) x 5" (C)
FSAAU6-6PP 5.9375" (A) x 6" (B) x 5" (C)
FSAAU8-8PP 7.9375" (A) x 8" (B) x 5" (C)
Clearance 0” clearance to combustibles / vertical installations
Listings ULC S636 is Listed as a Class IIA, IIB, and IIC vent system.
Warranty 10-years Limited warranty


About the Manufacturer

Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company’s research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.

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At Belleflame, we believe that shopping should be simple, stress-free, and most importantly, enjoyable. That's why we work hard to bring you the best products, prices, and customer service in the industry.

Here are just a few reasons why you should choose us:

  • Wide Selection of Products: We offer a vast selection of top-quality products from the leading brands in the industry. No matter what you're looking for, we have something for everyone.
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Order Confirmation:

Upon placing your order, you will promptly receive an email confirmation. Subsequently, we will conduct a thorough inventory check to ensure all items are in stock and available for immediate shipment. If your order aligns with the advertised delivery timeframe, we will promptly process it for shipment to our warehouse. In cases where the expected delivery time extends beyond the advertised timeframe, we will reach out to you via email and/or phone for confirmation.

Order Shipment:

Within one business day of your item being shipped, you will receive an email confirmation containing a tracking number. If you do not receive tracking information within six business days of placing your order, please don't hesitate to get in touch with us for assistance.

Estimated Time of Arrival:

Our typical delivery timeframe ranges from 2 to 10 business days. Custom-made products generally require 3 to 5 weeks for delivery. If the expected delivery date for your order would fall outside of the advertised 2-10 business day time frame, our customer service team will contact you to ensure your agreement with the revised timeline.

Covered Areas:

Please note that all estimated delivery dates and shipping costs advertised on our website apply exclusively to the Contiguous United States. For inquiries regarding shipping to Hawaii or Alaska, kindly reach out to our customer service team. While we do not offer direct shipping to Canada, we are more than willing to ship your order to the freight carrier of your choice.


It is very important that you inspect the packaging of your items when they arrive and check if you received all boxes listed on the delivery receipt. If you notice any damage or shortage of packages, you must make note of it on the bill of lading, take pictures, and refuse delivery. Your note should say "refused due to damage". You must also take photos of all sides of the box and send them to us within 2 days. If there are no damages visible before opening the box, you must note "subject to further inspection may contain concealed damage". If you notice any damage after receiving the delivery, do not throw the box away, and contact us with the photos. After we receive information from you about the refused delivery or concealed damage, we immediately initiate a claim with the shipping company or with the manufacturer. After the claim is fully processed, we ship all replacements at absolutely no cost to you.

Cancellations & Refunds:

We offer free order cancellations before the shipping label or Bill of Lading is generated, or prior to the commencement of production for custom orders. Please note that custom-made items are not eligible for refunds once production has begun. To be eligible for a return, the item must be unused and in its original condition, with all packaging intact and in perfect condition. Orders delivered outside of the United States are not eligible for refunds. If your order arrives damaged, please refer to the "Damages" section. Our refund policy extends for 30 days. If 30 days have elapsed since your purchase, regrettably, we cannot process a refund. Prior to returning an item, please contact us to discuss shipping details. All refunds will be credited to the original credit card or PayPal account used for the purchase, within two days of receiving the returned items at our warehouse.

Please contact sales@belleflame.com for any questions regarding shipping time.

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We believe that shopping should be easy, convenient, and most importantly, affordable. That's why we work hard to bring you the lowest prices on the products you love. But if you do happen to find a better deal elsewhere, we'll go the extra mile to make sure you get the best deal possible.

Here's how it works:

  • Find a lower price on the same product from another retailer.
  • Contact us with the details of the offer, including the website or store name, product name, and price.
  • We'll verify the price and beat it by an additional 10%.

It's that simple! Our 110% best price guarantee ensures that you'll always get the best deal possible when you shop with us. So, why wait? Start shopping now and experience the difference of shopping with Belleflame.

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