1. Home Heating, Cooling & Air Components Deals
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  3. RINNAI 431F-1900

RINNAI 431F-1900 Vent Pipe Stopper Ring FOT-151 305F-0017 302F-1206

302f-1206 Rinnai 431f-1900 Fot-151 Vent Assy With 305f-0017 Pipe Stopper And Ring

( Brand: Rinnai ), ( Part Type: Stopper Ring ), ( Manufacturer Part Number: 431F-1900 )

Review RINNAI Vent Assy Pipe Stopper And Ring

Introducing the Rinnai 431F-1900 FOT-151 Vent Kit, 305F-0017 Pipe Stopper, and 302F-1206 Ring essential components for proper installation and maintenance of Rinnai tankless water heaters.

The Rinnai 431F-1900 FOT-151 Vent Kit includes all necessary venting components for the Rinnai Tankless Water Heater. This kit includes a 3-inch diameter, 15-foot long, and 1-foot long vent pipe, as well as a 3-inch diameter, 5-foot long, and 1-foot long vent termination pipe. The vent kit also comes with a 3-inch diameter, 2-foot long, and 1-foot long condensate drain pipe. All vent and drain pipes are made of durable, corrosion-resistant stainless steel. The vent termination pipe features a rain cap to prevent water intrusion and is UL listed for safety.

The 305F-0017 Pipe Stopper is designed to be used with the Rinnai tankless water heater to prevent the ingress of debris, insects, or other contaminants into the unit. This pipe stopper features a durable, polypropylene construction that is resistant to corrosion and cracking. It has a tapered design to ensure a tight seal when installed and is easy to install with just a few turns of a wrench.

Lastly, the 302F-1206 Ring is a flexible, corrosion-resistant copper ring designed to be used as a connection ring between the vent pipe and the vent termination pipe. This ring ensures a secure and tight connection between the two components, preventing leaks and ensuring proper venting of the Rinnai tankless water heater. The ring is also easy to install and can be bent to accommodate various venting configurations.

In summary, the Rinnai 431F-1900 FOT-151 Vent Kit, 305F-0017 Pipe Stopper, and 302F-1206 Ring are essential components for the installation and maintenance of Rinnai tankless water heaters. These parts are made of durable, corrosion-resistant materials and are designed to ensure proper venting and prevent contaminants from entering the unit.

The Rinnai 431F-1900 FOT-151 vent 305F-0017 pipe stopper 302F-1206 ring is a set of components used in Rinnai tankless water heaters. These parts are essential for ensuring the proper functioning and safety of the water heater. Let's explore the pros and cons of purchasing this set.

Pros:

1. Compatibility: These parts are specifically designed for use with Rinnai tankless water heaters, ensuring a perfect fit and compatibility.

2. Enhanced Safety: The vent and pipe stopper help prevent backdrafting and ensure the safe operation of the water heater. The ring is used to secure the pipe in place, preventing leaks and potential water damage.

3. Durability: Rinnai is a reputable brand known for manufacturing high-quality water heating products. These components are likely to be robust and long-lasting, providing reliable service for an extended period.

4. Convenience: Purchasing these parts as a set rather than individually saves time and effort, as well as potential cost savings.

Cons:

1. Cost: The set of components may be more expensive than purchasing each part individually. However, the potential time and cost savings from not having to search for and purchase each part separately may outweigh the initial investment.

2. Limited Use: These components are only suitable for Rinnai water heaters, so they may not be useful for those with different brands or models.

3. Installation Complexity: Installing these components may require some level of expertise and experience, which could result in additional costs if professional assistance is needed.

Conclusion:

The Rinnai 431F-1900 FOT-151 vent 305F-0017 pipe stopper 302F-1206 ring set is a valuable investment for those who own Rinnai tankless water heaters. The set offers the convenience of purchasing all necessary components at once, ensuring compatibility and safety while potentially saving time and money. However, the cost may be a concern for some, and the installation complexity should be considered before making a purchase.

Recommendation:

If you own a Rinnai tankless water heater and need to replace or install these components, purchasing the set is an excellent choice. The convenience of having all the necessary parts in one place, along with the potential time and cost savings, make it a worthwhile investment. However, if you are unsure about the installation process, it may be wise to consult a professional to ensure proper installation and safety.

Details:

Original brand new Flue Manifold A OEM FOT-151 replacement P/N 431F-1900 vent Kit with 305F-0017 pipe stopper and 302F-1206 ring. Use this flue manifold kit when venting your Rinnai Direct Vent Wall Furnace through an exterior wall that is 4 1/2 - 9 inches thick. 431/556 Size 4.5-9.5, Fits EX17DT and EX22DT direct vent Rinnai wall furnaces. This is the same kit included with Rinnai Direct Vent Wall Furnaces.

When installing a Rinnai Direct Vent Wall Furnace the flue gases must be vented to out doors.

part #: 431f1900 prices

  • $8.95-$24.32

specifications aerationaura:

  • brand: Rinnai
  • part type: Stopper Ring
  • manufacturer part number: 431F-1900

returns aerationaura:

  • paid by: Buyer
  • time: 14 Days
  • policy: Returns Accepted
  • method: Money back

shipping aerationaura:

  • service: USPS Ground Advantage
  • type: Calculated
  • transit: 5-11 Days
  • class: Standard
  • cost: $10.02
  • carrier: USPS

offer aerationaura:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • started: October 18, 2025

general aerationaura:

  • Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air
  • condition: New

payments aerationaura:

  • credit card: Visa
  • other
  • wallet: Google-pay

seller aerationaura:

  • # reviews: 295
  • city: Underhill, Vermont
  • rating: 90.0%
part type: stopper ring,
category: home & garden > heating, cooling air, sku: 7677285970409641,

Rinnai 431F-1900 Is Similar To:

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4 offers $8.95–$24.32 USD
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  • New. Offer #3 priced at $24.32 + $0.00 delivery = $24.32* total. This part is essential for ensuring proper sealing in piping systems. This item for Rinnai X03 is a pipe stopper used in various heating systems.FREE SHIPPING
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