#1 Home Improvement Retailer

39 in. Plastic Vent Pipe Extension for High Efficiency and High Efficiency Plus Tankless Water Heaters

  • For Sensei SE+ tankless water heaters
  • Concentric venting minimizes installation time
  • Allows 8 tankless water heaters to share the same vent system
  • See More Details

Frequently Bought Together


Product Overview

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.
  • Concentric venting reduces install time and costs
  • Engineered concentric venting especially for gas appliances
  • Easy assembly/adjustment
  • Concentric venting allows for secure connection
  • 39 in. vent pipe extension
  • For use with HE+ and HE series tankless water heaters (non-condensing)
  • White finish
  • Package quantity 1
  • 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.

  • California residents

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.



Product Depth (in.)
Product Height (in.)
Product Width (in.)
65 in


Finish Family
For Use With
Electric Tankless,Gas Tankless
No Additional Items Included
Pack Size
Product Weight (lb.)
Vent Part Type
Straight Vent

Warranty / Certifications

Manufacturer Warranty
1 Year limited warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.8
    out of 4 reviews
  • 100% recommend this product
Filter by:
Showing 1-4 of 4 reviews
perfect for tankless water heater vent pipe....
perfect for tankless water heater vent pipe.
by DP
  • Verified Purchase
by HomeDepotCustomer
  • Verified Purchase
Worked great fast ship...
Worked great fast ship
by Pjk
  • Verified Purchase
Pipe was a little difficult to secure in place on heater. Installation instructions was vague bu...
Pipe was a little difficult to secure in place on heater. Installation instructions was vague but managed thru it. Pipe was of good craftsmanship and once secured to heater, performed excellent.
by Poppdaddy
  • Verified Purchase
  • Recommended Product
Showing 1-4 of 4 reviews