--- product_id: 16940721 title: "VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050)" brand: "vivo" price: "$402.16" currency: USD in_stock: false reviews_count: 8 url: https://www.desertcart.us/products/16940721-vivo-1-2-inch-x-500-feet-pex-tubing-oxygen store_origin: US region: United States of America --- # VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) **Brand:** vivo **Price:** $402.16 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) by vivo - **How much does it cost?** $402.16 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/16940721-vivo-1-2-inch-x-500-feet-pex-tubing-oxygen) ## Best For - vivo enthusiasts ## Why This Product - Trusted vivo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description 1/2" PEX Tubing with Oxygen Barrier (EVOH) is used for residential and light commercial radiant heating applications. With the same properties as PEX non barrier pipes, EVOH PEX barrier pipe keeps oxygen and other elements from infiltrating and corrupting the key mechanical components in heating systems. Tubing is marked every 5ft with length, ASTM standards, approvals, certifications, pressure ratings and other technical information. Warranty: Industry standard, 25-year manufacture's warranty. Applications: 1/2" PEX tubing w/ Oxygen Barrier is common for the following radiant floor heating applications -Structural concrete slabs (rebar or wire mesh reinforced slabs) -Non-structural slabs (thermal mass, gypsum slabs) -Staple-up (between joists) radiant floor heating with and without heat transfer plates -"Sandwich" types radiant heating (between subfloor and finished floor) -Snow & ice melting systems -Baseboard & radiator heating systems STANDARDS, CERTIFICATIONS & APPROVALS: -ASTM F876: Standard Specification for Crosslinked Polyethylene (PEX) Tubing -ASTM F877: Standard Specification for Crosslinked Polyethylene (PEX) Plastic Hot- and Cold-Water Distribution Systems -CSA B137.5: Cross Linked Polyethylene (PEX) Tubing Systems for Pressure Applications -All Oxygen Barrier PEX Tubing we sell meets and exceeds DIN 4726 standard for Oxygen Barrier requirements -ANSI/NSF 14, NSF-rfh (certified for Radiant Heating applications) TECHNICAL DATA: -PEX type: PEX-b -PEX tubing size: 1/2" -OD: 0.625" -ID: 0.475" -Pressure ratings: 100psi @ 180F, 160psi @ 73F -Minimum bending radius: 5" (industry standard for 1/2" PEX) -SDR-9 dimensional standards; Pex 5006 ## Features - 1/2" by 500ft Roll of Pex Tubing (red) - Oxygen Barrier (EVOH) - In-Floor Heating Application - ASTM F876, ASTM F877, CSA B137.5, and ANSI/NSF 14 Certified - 25 Year Factory Warranty - ›See more product details ## Images ![VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) - Image 1](https://images-na.ssl-images-amazon.com/images/I/81DL56HVA4L.jpg) ![VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51z27Es5xWL.jpg) ![VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) - Image 3](https://images-na.ssl-images-amazon.com/images/I/81BtjqaYIaL.jpg) ![VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) - Image 4](https://images-na.ssl-images-amazon.com/images/I/71-uSjpmV-L.jpg) ![VIVO 1/2 inch x 500 feet Pex Tubing Oxygen O2 Barrier EVOH, Pex-B Red 500 feet for Radiant Floor Heat (PEX-12H-R050) - Image 5](https://images-na.ssl-images-amazon.com/images/I/81LFr3OsWLL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Five Stars *by J***L on Reviewed in the United States on January 5, 2018* As advertised ### ⭐⭐⭐⭐⭐ Five Stars *by D***N on Reviewed in the United States on September 11, 2017* Good price, service and product!!!!!! ### ⭐⭐⭐⭐⭐ Five Stars *by P***S on Reviewed in the United States on October 8, 2014* No surprises here, new pex pipe. Received in a few days. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/16940721-vivo-1-2-inch-x-500-feet-pex-tubing-oxygen](https://www.desertcart.us/products/16940721-vivo-1-2-inch-x-500-feet-pex-tubing-oxygen) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-11-10*