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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
2 in. x 39 in. Plastic Condensing Vent Pipe Extension Kit (4-Pack)Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. With Rinnai Common Venting, up to 8 tankless water heater units share the same vent system. This allows for significantly fewer wall or roof cuts, less labor, and longer vent lengths than ever possible with single unit tankless water heater venting. California residents see Prop 65 WARNINGS Concentric venting reduces install
Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. With Rinnai Common Venting, up to 8 tankless water heater units share the same vent system. This allows for significantly fewer wall or roof cuts, less labor, and longer vent lengths than ever possible with single-unit tankless water heater venting.- California residents
- Concentric venting reduces install time and costs
- Water heater accessories
- Easy assembly/adjustment
- Concentric venting allows for secure connection
- 2 in. condensing vent pipe extension 39 in. (4/box)
- For use with Sensei Se+ tankless water heaters (condensing) and m-series boilers
- White finish
- Package quantity: 1
- Plastic construction
- 1-year limited warranty
- *Note. Rinnai is changing the language in its warranty terms and conditions found in the current User Installation manuals. The existing statement will be replaced by the following: “This Limited Warranty applies only to products that are installed in the United States and Canada. Improper installation may void this Limited Warranty. It is recommended that a trained and qualified professional who has attended a Rinnai installation training class complete your installation.” All warranties (old or new manual) will be honored as written above.
Features
| Item Weight | 4.3 |
| Pack Size | 4 |
| Includes | No Additional Items Included |
| Product Weight (lb.) | 4.3 |
| Finish Family | White |
| Returnable | 180-Day |
| Vent Part Type | Straight Vent |
| Material | Plastic |
| For Use With | Gas Tankless |
| Product Height (in.) | 6.25 |
| Product Width (in.) | 6 |
| Product Depth (in.) | 39.75 |
| Manufacturer Warranty | 1 Year limited warranty |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Great Quality for a Great Proce!
Item Package Quantity: 2, Size: King
These pillows are very comfortable and maintain their shape. Quality is as described at a comfortable price for the quality! The pillows are comfortable; not overly firm nor flat. The density is medium and supportive; very comfortable!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Firm and comfortable
Item Package Quantity: 2, Size: Standard
These pillows are well made. Firm, yet comfortable. I am pretty rough with my pillows. I toss and turn frequently. After one year, they are still holding up.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Quite good. I am actually surprised. Too small for queensize
Item Package Quantity: 2, Size: Queen
These pillows are actually good. After reading a ton of reviews I pulled the trigger on these. I was 100% sure I was going to receive bad quality pillows (too flat or too thick). They do take 24-48 hours to firmen up. Let's see if they flatten out in a few weeks or if they hold up. My wife said the pillow was too thick and it raised her head too much. I don't agree, I sleep perfect on these, no neck pain in the morning.
Update 04/24
These are actually quite small to be considered queen pillows. They have become firm over the last few days.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Full, Fluffy & Perfectly Supportive Euro Pillows!
Item Package Quantity: 2, Size: European, Item Package Quantity: 2, Size: European
These Euro size pillow inserts are fantastic! They’re soft, full, fluffy, and hold their shape very well. The firmness is perfect — supportive without feeling too hard. They filled my pillow covers beautifully and made the bed look much more luxurious. Great quality for the price and very comfortable for lounging or sleeping. Very happy with this purchase!
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Reviewed in the United States on May 13, 2026
★★★★★ 5
amazing.
Item Package Quantity: 4, Size: Queen
WOW. I was really skeptical, but the other reviews are spot on: these are amazing firm pillows. I really hope they don't lose their firmness and become lumpy like other pillows tend to do. Excellent pillows for the price!!
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Reviewed in the United States on June 7, 2026