AMTROL AX-15V Extrol Expansion Tank Gallon Volume 7.8 125 117-401

( Brand: Amtrol ), ( Manufacturer Part Number: AX-15V ), ( Part Type: Expansion Tank ), ( Item Weight: 11.64 Lb )

Review AMTROL Extrol Expansion Tank 7.8 Gallon Volume 125 Psi

The Amtrol Ax-15V Extrol Expansion Tank is a high-performance, compact solution for maintaining the proper pressure in your heating system. With a volume of 7.8 gallons (30.6 liters), this expansion tank is suitable for most residential applications. The tank is designed to accommodate heating systems with a working capacity between 1.5 and 15 gallons (5.7 and 56.8 liters) and a maximum operating pressure of 150 psi (10.34 bar).

The Ax-15V Expansion Tank is constructed from corrosion-resistant materials, including an FDA-approved, food-grade, virgin, high-density polyethylene (HDPE) tank body and a NSF-certified, heavy-duty, nitrile rubber bladder. This combination ensures a long-lasting, leak-free solution for your heating system. The tank also features a transparent sight glass, which allows you to easily monitor the antifreeze level and identify potential issues.

Installation of the Ax-15V Expansion Tank is straightforward. It comes with a factory-installed, 1/2 inch NPT inlet and outlet connection, allowing for quick and easy hook-up to your heating system. Additionally, the included factory-installed, 1/2 inch NPT pressure relief valve port simplifies the installation process and eliminates the need for additional adapters or fittings.

The Amtrol Ax-15V Extrol Expansion Tank is not only efficient and reliable but also environmentally friendly. It is designed to minimize air entrainment, reducing the amount of excess air that can enter your heating system, which can lead to inefficient operation and increased fuel consumption. Furthermore, the tank's bladder design allows for minimal antifreeze loss, ensuring that your heating system stays properly filled and operates at peak efficiency.

In conclusion, the Amtrol Ax-15V Extrol Expansion Tank is an excellent choice for maintaining the proper pressure and ensuring the optimal performance of your heating system. Its robust construction, easy installation, and eco-friendly design make it a smart investment for any homeowner. Model number: 125 117-401.

Pros and Cons of buying a Amtrol Ax-15V Extrol Expansion Tank (7.8 Gallon, Model Number 125 117-401)

* Pro: This expansion tank is made of high-density polyethylene (HDPE), which is known for its durability and resistance to corrosion.

* Pro: It features a ribbed design, which adds structural integrity and helps the tank withstand high pressure.

* Pro: With a volume of 7.8 gallons, it offers enough capacity to accommodate the necessary coolant expansion for most typical heating systems.

* Pro: The tank comes with a pre-installed pressure relief valve, making installation easier and more convenient.

* Con: The pre-installed pressure relief valve may not be suitable for every application, so it might need to be replaced with a different valve depending on the specific system requirements.

* Pro: This model is compatible with both open and sealed heating systems, making it a versatile option for various applications.

* Con: It may not be suitable for systems that require a specific type or size of pressure relief valve.

* Pro: The ribbed design on the tank allows easy access for checking coolant levels and performing routine maintenance.

* Con: The HDPE material may be more prone to developing small surface scratches, which could potentially lead to leaks if not addressed promptly.

* Pro: The Amtrol Ax-15V Extrol Expansion Tank is competitively priced compared to similar expansion tanks from other manufacturers.

* Con: While the price is reasonable, it might not be the most budget-friendly option for those on a very tight budget.

In conclusion, the Amtrol Ax-15V Extrol Expansion Tank (125 117-401) offers several advantages such as its durable design, versatile compatibility, and ease of maintenance. However, it may require additional investment for users who need to replace the pre-installed pressure relief valve, and those with particularly tight budgets might find other options more affordable. Ultimately, the decision to purchase this expansion tank depends on the specific needs and preferences of the user.

Recommendation: If you're looking for a durable and versatile expansion tank for your heating system, the Amtrol Ax-15V Extrol Expansion Tank (125 117-401) is an excellent choice. It offers a good balance between price, performance, and ease of use. However, be prepared for the possibility of needing to replace the pre-installed pressure relief valve to ensure compatibility with your system.

Details:

Comes in original box. AMTROL AX-15V Extrol Expansion Tank 7.8 Gallon Volume, 125 PSI 117-401, New, unit was installed but never used. Has some light rust / paint chipping on the bottom.

part #: ax15v prices

• $1000.00-$1399.99

specifications wateheat:

• brand: Amtrol
• mpn: Ax-15v
• part type: Expansion Tank
• item weight: 11.64 Lb

offer wateheat:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• started: March 3, 2026

shipping wateheat:

• class: Standard
• carrier: UPS
• service: UPS Ground
• cost: $100.00
• type: Fixed
• transit: 3-8 Days

seller wateheat:

• city: Sweet Grass, Montana
• # reviews: 179
• rating: 96.4%

returns wateheat:

• policy: No Returns

payments wateheat:

• credit card: Mastercard
• other
• wallet: Apple-pay

general wateheat:

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

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