0 ratings
TT FLEX Potable Thermal Expansion Tank for Water Heater, 2.1 Gallon Capacity, 3/4 Inch MNPT Connection
Protect your water heater from thermal expansion with our 4.5-gallon thermal expansion tank, designed for efficiency and durability!
TT FLEX Potable Thermal Expansion Tank for Water Heater, 2.1 Gallon Capacity, 3/4 Inch MNPT Connection
Item #: 86379356

TT FLEX Potable Thermal Expansion Tank for Water Heater, 2.1 Gallon Capacity, 3/4 Inch MNPT Connection

Item #: 86379356

MMK 196326

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, July 13
Our Top Logistics Partners
  • fedex
  • dhl
Protect your water heater from thermal expansion with our 4.5-gallon thermal expansion tank, designed for efficiency and durability!
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Compact Design
The 4.5-gallon size fits easily into tight spaces, making it ideal for homes with limited installation areas while still providing efficient pressure management for water heaters.
Durable Construction
Built with high-quality materials for longevity, this thermal expansion tank ensures reliable performance and withstands high temperatures, setting it apart from standard tanks in the market.
Easy Installation
Featuring a 3/4 inch MNPT connection, this tank simplifies installation and is compatible with most water heating systems, reducing labor costs and time for homeowners.

Product Details

Shop TT FLEX Potable Thermal Expansion Tank for Water Heater, 2.1 Gallon Capacity, 3/4 Inch MNPT Connection online at a best price in Myanmar. B0CR6F985F
Item Weight10 lbs (4.54 kg)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners needing an expansion tank to protect their water heater from pressure build-up.

  • DIY Enthusiasts

    Great for DIY enthusiasts who are comfortable installing and maintaining water heater components.

  • Small Households

    Perfect for small households needing efficient and reliable hot water management without excess capacity.

Not Suitable For
  • Large Families

    Not suitable for larger families requiring significant hot water capacity beyond 4.5 gallons.

  • Commercial Use

    Unsuitable for commercial applications that demand higher volumes of hot water and pressure management.

  • Older Water Heaters

    Not recommended for significantly outdated water heater models that may have compatibility issues with the tank.

Product Description

TT FLEX Potable Thermal Expansion Tank for Water Heater, 2.1 Gallon Capacity, 3/4 Inch MNPT Connection

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a potable thermal expansion tank and how does it work?

    Answer: A potable thermal expansion tank is designed to absorb excess pressure caused by heating water in a closed plumbing system. As water heats up, it expands, which can lead to increased pressure that may cause damage to pipes or fixtures. The tank accommodates this expansion, preventing pressure build-up by allowing water to flow into the tank when heated. This tank is essential for maintaining system integrity, particularly in homes with closed-loop systems. For optimal functionality, it's particularly suited for installations where high water temperatures and regulated pressure are critical.
  • Question: Who should install the thermal expansion tank?

    Answer: It's recommended that a licensed plumber or a qualified professional install the thermal expansion tank. They possess the necessary expertise to ensure proper installation, adherence to local codes, and that it functions optimally within your existing plumbing setup. A professional can also assess your system's requirements and advise on the correct configuration for your specific heating unit, ensuring longevity and efficiency. Proper installation can prevent issues such as water hammer and pressure spikes in the system, creating a reliable hot water supply.
  • Question: What are the dimensions of the 4.5-gallon thermal expansion tank?

    Answer: The 4.5-gallon thermal expansion tank features a standard 34-inch MNPT connection. This size is optimal for residential applications and is compact enough to fit into most installation spaces. Its design allows it to integrate seamlessly with existing plumbing systems, minimizing the footprint while maximizing effectiveness. Homeowners benefit from this size as it balances capacity and space requirements, making it an ideal choice for confined areas while maintaining necessary performance.
  • Question: Can the thermal expansion tank be used with any type of water heater?

    Answer: Yes, the thermal expansion tank is versatile and can be utilized with various types of water heaters, including tank, tankless, and indirect systems. The primary consideration is ensuring the system's pressure and temperature settings are compatible with the tank. This portability allows homeowners to enhance the performance of diverse heating systems, making it suitable for both conventional and modern installations. Whether you have a gas or electric water heater, installing a thermal expansion tank will effectively manage thermal expansion and pressure, promoting overall system efficiency.
  • Question: What maintenance does a thermal expansion tank require?

    Answer: A thermal expansion tank generally requires minimal maintenance beyond regular system checks. It's essential to periodically inspect the tank for visible signs of corrosion, leaks, or wear. Additionally, ensuring the tank's air charge is balanced helps maintain effectiveness. If you notice pressure fluctuations or unusual noises in the system, consulting with a professional can help determine if the tank requires attention. Regular maintenance can prolong the lifespan of the tank and enhance the reliability of your water heating system.
  • Question: What are the benefits of installing a thermal expansion tank?

    Answer: Installing a thermal expansion tank offers numerous benefits, including enhanced safety, extended lifespan of plumbing fixtures, and reduced risk of leaks. By absorbing pressure fluctuations, the tank protects water heaters and plumbing from potential damage caused by thermal expansion. This addition not only stabilizes your system but also promotes efficient operation of appliances. Homeowners report fewer maintenance issues and increased comfort with a consistent hot water supply, ensuring a smoother daily routine while protecting valuable home infrastructure.
  • Question: Is there a specific pressure rating for the thermal expansion tank?

    Answer: Yes, thermal expansion tanks typically have a specified pressure rating that ensures safe operation within plumbing systems. This model generally operates at a standard pressure range that matches most residential systems, designed to withstand the variations in pressure from heating water. Ensuring your tank's pressure rating meets your system's requirements is crucial, as exceeding limits can lead to failure. By employing a tank with appropriate ratings, homeowners can feel assured of stable water supply and system safety, decreasing the potential for pressure-related issues.
  • Question: Where can I buy the Potable Thermal Expansion Tank for Water Heater?

    Answer: You can buy the Potable Thermal Expansion Tank for Water Heater - 4.5 Gallon, 34 in MNPT Connection at Ubuy in Myanmar. Ubuy offers a convenient shopping experience and access to a wide range of home improvement products, ensuring you can find exactly what you need to enhance your plumbing systems. Their platform also provides detailed product information, helping you make informed choices for your home.
  • Question: How do I know if I need a thermal expansion tank?

    Answer: You'll likely need a thermal expansion tank if your home has a closed plumbing system, particularly if it contains a water heater. Signs you might require one include frequent pressure fluctuations, a water heater not holding temperature, or leaks around faucets and joints. If your home is prone to pressure-related issues, installing a thermal expansion tank can mitigate these problems. Consulting with a plumbing professional can provide definitive insights into your specific requirements and whether such an addition will benefit your system.
  • Question: Can a thermal expansion tank be replaced easily?

    Answer: Replacing a thermal expansion tank is relatively straightforward, though it's advisable to hire a professional to ensure the job is done correctly. The process typically involves isolating the tank, disconnecting it from the plumbing, and installing a new one in its place. Proper handling ensures that no pressure is lost in the system. This can be particularly important if you’re experiencing inefficiency due to an old or faulty tank. Regular monitoring of the tank’s performance allows homeowners to time replacements effectively and maintain system integrity.

TTFLEX Water Heater Parts Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.