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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
For Your Every Summer RSVP, with Code: SUMMER15
Description
2 in. / 4 in. x 19.5 in. Plastic Condensing Vent Pipe Extension KitPrecisely 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. / 4 in. condensing vent pipe extension 19.5 in.
- 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 | 1.65 |
| Includes | No Additional Items Included |
| Pack Size | 1 |
| Finish Family | White |
| Returnable | 180-Day |
| Vent Part Type | Straight Vent |
| Product Weight (lb.) | 1.65 |
| Material | Plastic |
| For Use With | Gas Tankless |
| Product Height (in.) | 4.33 |
| Product Depth (in.) | 20.08 |
| Product Width (in.) | 4.52 |
| 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
4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Good racks, 2 slides instead of 1, smooth action
Size: 7.1" - 2 Drawers (3.3" each drawer), Color: Black, Size: 7.1" - 2 Drawers (3.3" each drawer), Color: Black
Pros: 2 sliders instead of just one, smooth action on the slides, slides ‘lock’ into place when retracted
Cons: none for me, other than no option for a single drawer in this size
Needed a wide 2-tier rack to go along with other racks I bought at the same time.
I chose this one primarily because:
- it has 2 sliders, instead of a single one in the middle.
- it’s shorter than others I looked at and I needed to fit some taller items.
- there’s only screws attaching the sliders to the base, which I was going to remove to reduce height.
I really only needed a single 2-tier rack in this size, but it was only offered as a double. Fortunately, the sliders were only affixed to the base with screws and not rivets, so dismantling a single drawer was easy and didn’t require doing any damage.
If you happen to need to do the same, but still have to use the base to clear a lip at the bottom of the cabinet, the metal of the base should be easy to cut in half if you have or have access to the power tools to do so. If you don’t, you could still dismantle 1 rack and just create a new base with some thin wood, then screw both directly to the cabinet.
No complaints, would buy again if it were offered in a single-drawer configuration. Having 2 slides was still definitely a big plus, nonetheless, but I now have half a unit that I don’t necessarily need.
I would note that the sliders don't extend quite as far out as I thought they may, but it's really only ≤1" that I'm talking about and they still extend far enough to vertically pull the rear-most item out, so it's not a biggie, just worth noting.
* I didn’t use the adhesive strip and just threw it away, as I intended to secure it with screws from the beginning. If you’ll be using the base, I’d suggest drilling holes through the base and securing it to the cabinet with screws. The adhesive could well be fine, but it’s asking for trouble to have this loaded with glass and have the adhesive give out. No doubt it would happen when you have 3 things on the stove, the phone is ringing and it was the also week you kinked your back something awful, right?
(Item reviewed: 2 drawer x 3.3")
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Excellent quality / size.
Size: 7.4" - 3 Drawers (2.2" each drawer), Color: Black
You magnificent SOB! This is an excellent product - it is exactly as advertised, saves space, is well-built and the measurements are spot-on. There is no assembly and the double-sided tape works perfectly to stabilize the unit. Great product and worth the price.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Great organization!
Size: 7.4" - 3 Drawers (2.2" each drawer), Color: Black
Easy to install, works smoothly and easy to see/access spice bottles. Great organization for spices.
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Nice units
Size: 7.4" - 3 Drawers (2.2" each drawer), Color: Black
Nice way to organize and utilize spices and seasonings. Slides out well. You will have to watch sizes of bottles. Units won't handle taller and wider bottles.
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Reviewed in the United States on June 9, 2025
★★★★★ 5
Sturdy and attractive
Size: 7.4" - 3 Drawers (2.2" each drawer), Color: Black
Very sturdy. Fit my cabinet perfectly. Would love a version that is just one level too. No assembly required. Solid enough that it stays in place without adhesive. Can finally find spices without taking them all out of the cabinet.
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Reviewed in the United States on December 27, 2025