Rinnai 224045 Vent Thimble Kit for Tankless Water Heaters – Wall Pass-Through

Name: Rinnai 224045 Vent Thimble Kit for Tankless Water Heaters – Wall Pass-Through
SKU: 224045
Price: 100.04 USD
Availability: InStock

SKU: 224045

$100.04

Only 1 left in stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$100.04	0%
5–9	$95.04	5%
10+	$90.04	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 1.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Product Description

REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Identify the water heater and vent system before selecting a control, accessory or vent component.

Product type	Water-heater controls and vent components
Part / SKU	224045

What to check before ordering

Record the full heater model and its indoor/outdoor and condensing/non-condensing configuration.
Use the model instructions to confirm the vent system, diameter and function of the replacement part.
Have a qualified installer check the complete vent route and termination.

Service reminder: A similar diameter or connector is not enough to approve mixed vent components or control models.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

Rinnai 224045 Vent Thimble Kit – Wall Pass-Through for Tankless Water HeatersThe Rinnai 224045 Thimble Kit provides a safe and efficient way to route vent piping through walls during installation of Rinnai tankless water heaters and other gas-fired appliances. This genuine OEM part ensures proper clearance, insulation, and protection when venting through combustible materials.✅ OEM Rinnai Quality – Designed and manufactured to exact Rinnai specifications for guaranteed performance.✅ Safe Wall Pass-Through – Prevents heat damage by maintaining proper clearance and insulation.✅ Durable Construction – Made from galvanized steel and high-temp composite materials.✅ Easy Installation – Compatible with concentric venting systems; includes one thimble per box.✅ Universal Fit – Works with Rinnai condensing and non-condensing tankless water heater vent kits.

Specifications

Brand: Rinnai
Model: 224045
Type: Vent Thimble Kit (1 per box)
Material: Galvanized Steel / Composite
Finish: SilverFunction: Wall Vent Pass-ThroughApplication: Tankless Water Heater, LP or Natural Gas
Compatible Models: Rinnai Venting Systems

Condition

Brand New

Applications

Rinnai Tankless Water HeatersGas-Fired Heating and Venting Systems
Indoor-Outdoor Wall PenetrationsHVAC & Boiler InstallationsThis Rinnai 224045 Thimble Kit is a required safety component for proper vent system installation, ensuring compliance with venting codes and maintaining your water heater’s efficiency and warranty coverage.

Product details

Part / SKU	224045

Package includes

Rinnai 224045 Vent Thimble Kit for Tankless Water Heaters – Wall Pass-Through

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.