Rinnai 224045 Wall Thimble for Indoor Tankless Water Heaters

- Item #: BCI1840461

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Wall Thimble for Indoor Tankless Water Heaters

Rinnai's unique Ubbink concentric venting system provides maximum performance, safety, and ease of installation. Compatible with all indoor Rinnai water heater models, except the 98 series which utilizes separate intake and exhaust venting.


  • GSA Approved
  • Compatible With All Indoor Rinnai Water Heater Models EXCEPT The R98 Series
  • Professional Installation Recommended


  • Height: 18-1/4"
  • Length: 10"
  • Width: 5-3/4"

Additional Rinnai Links

Our SKU: Rinnai 224045

This product is listed under the following manufacturer number(s):

  • Rinnai 224045

*Denotes a finish or option that has been discontinued

Rinnai 224045 Product Specifications

CSA Approved Yes
Configuration Wall Thimble
Height 18.26
Length 10.03
Pipe Inside Diameter 5
Product Weight 3
Vent Pipe Size 5
Width 5.74

Installation Resource Center

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Rinnai 224045 Reviews

Rated 5 out of 5 by from as expected I ordered this for installation of my tankless water heater. It arrived quickly and in good shape.
Date published: 2013-10-10

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