1. Water Heaters New/Used Products
  2. sku: 6232522265873793
  3. RHEEM RTG20279

RHEEM RTG20279 Protech Steel Wall Thimble Tankless Water 662766678208 3IN/5IN Heaters

Rtg20279 Rheem Protech 3in/5in Stainless Steel Wall Thimble For Tankless Water Heaters

( Brand: Rheem ), ( Manufacturer Part Number: RTG20279 ), ( Compatible Brand: Rheem, Most Brand ), ( Power Source: Corded Electric, Coal, Gas ), ( Items Included: Screws ), ( Color: Silver ), ( Item Diameter: 5 In ), ( Compatible Model: Most Model ), ( Year Manufactured: 2021 ), ( Material: Stainless Steel ), ( Item Length: 19 In ), ( Compatible Product: Tankless Water Heater/boiler, Commercial Boiler ), ( Tank Capacity: Less Than 20 Gal ), ( Type: Water Heater Venting Part ), ( Item Height: 16.75 ), ( Voltage: 120 V ), ( Item Width: 15 In ), ( Power: 1000 W Or Less ), ( Item Weight: 5 Lb ), ( UPC: 662766678208 )

Review RHEEM Protech 3in/5in Stainless Steel Wall Thimble For Tankless Water Heaters

Introducing the Rheem RTG20279 Protech 3-inch/5-inch Steel Wall Thimble, an essential accessory for your tankless water heating system. This versatile thimble is engineered to provide superior performance and durability, ensuring a continuous supply of hot water for your home or business.

The RTG20279 is a 3-inch/5-inch steel wall thimble, meaning it offers two connection sizes for added flexibility. The 3-inch connection is suitable for larger gas lines, while the 5-inch connection can accommodate smaller lines. This feature makes it a universal fit for various tankless water heater models and gas line configurations.

Constructed from heavy-duty steel, this thimble is designed to withstand the rigors of high-temperature, high-pressure gas applications. The steel material offers excellent resistance to corrosion and wear, ensuring a long service life. The thimble's protective coating further enhances its durability, shielding it from the elements and potential damage.

The RTG20279 also features a compact, low-profile design that allows for easy installation on both interior and exterior walls. Its smooth, rounded edges minimize the risk of gas leaks, while its secure, locking mechanism ensures a tight connection between the gas line and the thimble.

This thimble is compatible with various tankless water heater brands and models, including those from Rheem, Rinnai, Bosch, and Navien, among others. It is designed to meet or exceed industry standards for safety, performance, and efficiency, providing you with peace of mind and reliable hot water delivery.

In summary, the Rheem RTG20279 Protech 3-inch/5-inch Steel Wall Thimble is an essential accessory for tankless water heating systems. Its durable steel construction, versatile connection sizes, and compact design make it a versatile and reliable solution for various gas line configurations. Upgrade your water heating system with this high-performance thimble and enjoy a continuous supply of hot water for your home or business.

Pros and Cons of Buying Rheem RGT20279 Protech 3in/5in Steel Wall Thimble for Tankless Water Heaters

Introduction:

The Rheem RGT20279 Protech 3in/5in Steel Wall Thimble is a crucial component for installing tankless water heaters. This accessory allows for a secure connection between the water supply line and the water heater. In this article, we will discuss the advantages and disadvantages of purchasing this thimble.

Pros:

1. Durability: The thimble is made of 316L stainless steel, which is known for its strength and resistance to corrosion. This material ensures a long-lasting connection between the water supply line and the water heater.

2. Versatility: This thimble can be used with both 3-inch and 5-inch connections, making it a flexible option for different installation scenarios.

3. Compatibility: It is designed to work with Rheem tankless water heaters, ensuring a reliable fit and proper function.

4. Easy Installation: The thimble can be installed without the need for additional tools, saving time and effort during the installation process.

Cons:

1. Cost: Compared to other thimbles on the market, this one may come with a higher price tag due to its high-quality materials and compatibility with specific water heaters.

2. Limited Application: While this thimble is compatible with Rheem tankless water heaters, it may not be suitable for other brands or models, limiting its potential usage.

Conclusion:

The Rheem RGT20279 Protech 3in/5in Steel Wall Thimble offers several advantages, including durability, versatility, compatibility, and easy installation. However, it also comes with some disadvantages, such as a higher cost and limited application. Ultimately, if you are installing a Rheem tankless water heater and require a reliable, long-lasting connection, this thimble could be a worthwhile investment.

Recommendation:

If you are in the market for a thimble to install a Rheem tankless water heater, the Rheem RGT20279 Protech 3in/5in Steel Wall Thimble is a solid choice due to its durability, versatility, and compatibility. Despite its higher cost compared to other options, the long-term benefits and peace of mind that come with using a high-quality accessory may outweigh the initial investment.

Details:

Highlights: For use with Rheem tankless gas water heaters. Dimensions: Product Depth in.: 15 in. Made from durable stainless steel. Corrosion resistant material.

OEM fitment and quality. Product width in.: 12 in. Complete, easy install kit, including mounting hardware. Item must be in the same condition as when purchased.

Product height in.: 15 in. Easy to install. The ProTech Wall Thimble for Rheem Non-Condensing Tankless Gas Water Heaters is an OEM venting solution. Durable construction for extended service life.

Details: Finish Family.: Silver Metallic. Material.: Stainless Steel. 1-year limited warranty.

part #: rtg20279 prices

  • $189.99-$300.00

specifications wateheat:

  • brand: Rheem
  • mpn: Rtg20279
  • compatible brand: Rheem, Most Brand
  • power source: Corded Electric, Coal, Gas
  • items included: Screws
  • color: Silver
  • item diameter: 5 In
  • compatible model: Most Model
  • year manufactured: 2021
  • material: Stainless Steel
  • item length: 19 In
  • compatible product: Tankless Water Heater/boiler, Commercial Boiler
  • tank capacity: Less Than 20 Gal
  • type: Water Heater Venting Part
  • item height: 16.75
  • voltage: 120 V
  • item width: 15 In
  • power: 1000 W Or Less
  • item weight: 5 Lb
  • upc: 662766678208

offer wateheat:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: December 10, 2025
  • quantity: 1

general wateheat:

  • Heating, Cooling Air > Water Heaters > Water Heater Parts
  • condition: New

seller wateheat:

  • city: Salisbury, Maryland
  • rating: 99.2%
  • # reviews: 13627

payments wateheat:

  • credit card: Diners-club
  • other
  • wallet: Apple-pay

returns wateheat:

  • method: Money back
  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

shipping wateheat:

  • class: Standard
  • type: Fixed
  • carrier: USPS
  • transit: 3-9 Days
  • cost: $0.00
  • service: USPS Ground Advantage
compatible brand: rheem, most brand, power source: corded electric, coal, gas, items included: screws, item diameter: 5 in, compatible model: most model, year manufactured: 2021, item length: 19 in, compatible product: tankless water heater/boiler, commercial boiler, tank capacity: less than 20 gal, type: water heater venting part, item height: 16.75, voltage: 120 v, item width: 15 in, power: 1000 w or less, item weight: 5 lb,
category: home & garden > heating, cooling air > water heaters > water heater parts, color: silver, material: stainless steel, sku: 6232522265873793,

Rheem RTG20279 Is Similar To:

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5 offers $189.99–$300.00 USD
  • Offer #1: $300.00 price + $Calculated shipping estimate = $300.00* total.+$Calculated shipping
  • Offer #2: $200.00 price + $23.61 shipping estimate = $223.61* total.+$23.61 shipping
  • Offer #3: $189.99 price + $18.12 shipping estimate = $208.11* total.+$18.12 shipping
  • Offer #4: $499.99 price + $71.10 shipping estimate = $571.09* total.+$71.10 shipping
  • Offer #5: $300.00 price + $10.63 shipping estimate = $310.63* total.+$10.63 shipping

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