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Item #:
83469151
Watts ETX-30 4.5 Gal Carbon Steel Expansion Tank Hydronic Heating 75psi
86% of respondents would recommend this to a friend
Item #:
83469151
TMT 512
Price Details
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In stock
Imported from USA store
QTY:
Only 3 items left in stock.
Order now and get it around Monday, September 21
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What Stands Out
Durable Design
Crafted from carbon steel, this expansion tank ensures longevity and reliable performance in closed loop hydronic heating systems, making it a formidable choice for residential or commercial applications.
Large Capacity
With a tank volume of 4.7 gallons, it effectively accommodates thermal expansion, ensuring optimal system pressure management while preventing damage from excess water expansion during heating cycles.
Easy Installation
Equipped with a 1/2" MNPT connection, the installation process is straightforward, allowing quick integration into existing hydronic systems for hassle-free setup and maintenance.
Product Details
| Brand Name | Watts |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00098268095739 |
| Number of Items | 1 |
| UPC | 098268095739 |
| Manufacturer | WATTS WATER TECHNOLOGIES |
| Included Components | Expansion Tank |
| Item Type Name | Expansion Tank |
| Model Number | PLT-5 |
| Manufacturer Part Number | GIDDS-1030401 |
| Item Dimensions L x W x H | 8"L x 8"W x 11"H (20.3 x 20.3 x 27.9 cm) |
| Capacity | 2.1 gallons |
| Item Weight | 0.27 g |
| Color | Gray |
| Shape | Cylindrical |
| Material Type | Stainless Steel |
| Brand | Watts |
| Material | Stainless Steel |
| Product Dimensions (L x W x H) | 8"L x 8"W x 11"H (20.3 x 20.3 x 27.9 cm) |
Product Technical Details
| Product Dimensions | 10.8 x 11.1 x 14.8 inches |
| Item Weight | 8 pounds |
| Manufacturer | Watts |
| Item model number | ETX-30 |
What's in the box
Expansion Tank
Who Should Buy?
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Homeowners
Ideal for homeowners with hydronic heating systems needing efficient pressure management and expansion capabilities.
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Plumbers
Professional plumbers will benefit from easy installation and effective performance in closed loop systems.
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HVAC Technicians
HVAC technicians can utilize this tank to enhance the efficiency of heating systems and improve overall performance.
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Potable Water Systems
Not suitable for potable water systems due to its non-potable designation; can lead to contamination.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the Watts PLT-5 expansion tank?
Answer: The Watts PLT-5 expansion tank is designed to absorb excess pressure in potable water systems. When water heats up, it expands, and without an expansion tank, this can lead to increased pressure in the system, potentially causing damage. By accommodating pressure fluctuations, the tank helps protect plumbing systems and fixtures, ensuring a steady supply of water. It’s especially useful in residential water heating systems, providing consistent water pressure and extending the life of the plumbing. -
Question:
What materials are used in the Watts PLT-5 tank?
Answer: The Watts PLT-5 features a steel construction with a butyl diaphragm and a stainless steel inlet. This combination provides durability and resistance to corrosion, making it suitable for potable water systems. The high-quality materials ensure that the tank can withstand pressure up to 150 psi, making it reliable for long-term use in various environmental conditions, whether in a home or commercial setting. -
Question:
How do I install the Watts PLT-5 expansion tank?
Answer: Installing the Watts PLT-5 expansion tank is straightforward. First, ensure you shut off the water supply and drain your plumbing system. Using the 3/4 inch male connection, connect the tank to the cold water line near your water heater. A typical installation involves positioning the expansion tank either vertically or horizontally, depending on your space constraints. Be sure to check for any leaks after installation to ensure proper functioning. Having an expansion tank installed can significantly enhance your plumbing system’s efficiency. -
Question:
What is the maximum pressure rating for the Watts PLT-5 expansion tank?
Answer: The maximum pressure rating for the Watts PLT-5 expansion tank is 150 psi. This capability makes it an ideal choice for both residential and small commercial water systems. It is designed to handle the typical pressure found in household plumbing without compromising performance. This rating is essential for maintaining system stability, helping to prevent over-pressurization that can lead to leaks or system failures. -
Question:
Is the Watts PLT-5 expansion tank suitable for all water types?
Answer: Yes, the Watts PLT-5 expansion tank is specifically designed for potable water applications, making it safe for drinking water systems. Its materials and construction meet health and safety standards, ensuring no harmful substances leach into the water supply. This makes the tank suitable for residential plumbing systems, ensuring that your family's drinking water remains safe while also enhancing plumbing system performance. -
Question:
What size is the Watts PLT-5 expansion tank, and how much water does it hold?
Answer: The Watts PLT-5 is a compact, 2.1-gallon expansion tank. This size is ideal for residential systems, providing ample volume to handle thermal expansion while fitting conveniently in tight spaces, such as basements or utility rooms. Its design allows for effective pressure management in smaller systems, making it a practical choice for homeowners looking to maintain optimal water pressure. -
Question:
Do I need a professional to install the Watts PLT-5 expansion tank?
Answer: While installation can be performed as a DIY project, consulting a licensed plumber is recommended, especially for those unfamiliar with plumbing systems. A professional can ensure proper placement and connections to optimize performance and safety. If you’re comfortable with plumbing tools and understand water systems, you may install it yourself; however, professional installation can help avoid potential issues down the line, ensuring long-lasting functionality. -
Question:
What are the benefits of using an expansion tank?
Answer: Using an expansion tank like the Watts PLT-5 provides several benefits. It helps control pressure fluctuations, thus preserving the integrity of pipes and appliances. Additionally, it can improve the efficiency of your water heater, as it minimizes water hammer and reduces the workload on pressure-relief valves. Ultimately, it ensures a stable and consistent water supply, which can enhance the overall comfort and reliability of your plumbing system. -
Question:
What is the lifespan of the Watts PLT-5 expansion tank?
Answer: The lifespan of the Watts PLT-5 expansion tank can vary based on factors like water quality, installation conditions, and maintenance practices. Generally, these tanks are built to last for many years, even decades, when properly maintained. Regular inspections can help identify any issues, such as diaphragm deterioration, ensuring that you get the maximum performance and longevity from your expansion tank. -
Question:
Where can I buy the Watts PLT-5 expansion tank?
Answer: You can purchase the Watts PLT-5 expansion tank from Ubuy in Turkmenistan. Ubuy offers a reliable shopping platform where you can find this product along with detailed specifications and customer reviews to help inform your purchase. Their extensive network ensures that you receive your product with convenience and ease, making it a trusted option for acquiring plumbing and home improvement products.
Watts Water Heaters PLT-5 Editorial Review
Watts ETX-30 4.5 Gal Carbon Steel Expansion Tank is designed for hydronic heating systems, effectively maintaining water pressure at 75psi. Users have reported a significant improvement in pressure regulation after installation, with one customer noting their system maintains pressure between 25-28 lbs after upgrading from an outdated model. This product is a direct-fit replacement, ensuring compatibility with existing systems, making it a reliable choice for those experiencing bladder failure in older tanks. The tank arrives pre-charged at 12 psi, simplifying installation while promoting efficient performance in preventing pipe damage due to pressure fluctuations.
Customer Reviews & Ratings
614 customers ratings
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5 Star
80%
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4 Star
10%
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3 Star
5%
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2 Star
1%
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1 Star
4%
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Pros
- Maintains constant pressure to protect plumbing systems
- Easy to install for quick replacement
- Pre-charged at 12 psi for convenience
- Made from durable carbon steel construction
- Direct-fit for most hydronic heating systems
Cons
- Some users reported minor cosmetic dents upon arrival
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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TMT 512
Order now and get it around Monday, September 21
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QTY:
Only 3 items left in stock.
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Features & Benefits
- Designed for closed-loop, non-potable water heating systems.
- Durable carbon steel construction with epoxy finish.
- Pre-charged at 12 psi and has a 2.1-gallon capacity.
- Maintains system pressure below the relief valve setting.
- Max working pressure of 75 psi for residential or commercial use.
- Easy installation with 1/2 inch MNPT and charging valve connection.
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