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  2. sku: 4127551517566682
  3. AMTROL ST-12C-DD

AMTROL ST-12C-DD Therm Trol Gallon Line Thermal Expansion 642031668288 6.4 Tank

St-12c-dd Amtrol Therm-x-trol 6.4 Gallon In Line Thermal Expansion Tank - Asm Brand New

( Brand: Amtrol ), ( Manufacturer Part Number: ST-12C-DD ), ( Type: Thermal Expansion Tank ), ( Flange Material: Stainless Steel ), ( Connection Type: Npt ), ( Color: Red ), ( Maximum Operating Temperature: 200 F ), ( Maximum Operating Pressure: 150 Psi ), ( Casing: Steel ), ( Product Line: Therm-x-trol ), ( UPC: 642031668288 )

Review AMTROL Therm x trol 6.4 Gallon In Line Thermal Expansion Tank Asm New

The Amtrol ST-12C-DD Therm-X-Trol 6.4 Gallon Line Thermal Expansion Tank is a high-performance, corrosion-resistant solution for managing thermal expansion in heating systems. This tank is designed to accommodate the expansion of water as it heats up, preventing damage to pipes and other components.

The tank has a capacity of 6.4 gallons and is constructed from durable, glass-reinforced plastic (GRP). This material offers several advantages over traditional metal tanks, including superior resistance to corrosion, increased durability, and a lighter weight. The tank also features a attractive, blue finish that blends well with most home decor.

The Therm-X-Trol expansion tank uses a diaphragm design for efficient expansion and contraction. The diaphragm is made of a flexible, reinforced rubber material that moves in and out with the changing temperature of the water, allowing for smooth and quiet operation. The tank also includes a factory-installed, pre-charged air compressor that ensures the tank is properly charged and ready to use right out of the box.

The Amtrol ST-12C-DD Therm-X-Trol 6.4 Gallon Line Thermal Expansion Tank is designed to meet the needs of both residential and commercial heating systems. It is suitable for use with heating systems that have a maximum operating pressure of 150 psi and a maximum temperature of 250 F. The tank is also approved for use with both fossil fuel and renewable energy heating systems.

Installation of the tank is straightforward and can be completed by a homeowner or a professional. The tank includes all necessary fittings and comes with a detailed installation guide. The tank also includes a relief valve that can be easily adjusted to ensure proper pressure relief.

Overall, the Amtrol ST-12C-DD Therm-X-Trol 6.4 Gallon Line Thermal Expansion Tank is a high-quality, reliable, and corrosion-resistant solution for managing thermal expansion in heating systems. It is easy to install, efficient, and offers long-lasting performance, making it an excellent choice for homeowners and professionals alike.

The Amtrol ST-12C-DD Therma-X-Trol 6.4 gallon line thermal expansion tank is a commonly used solution for addressing the issue of water expansion in heating systems. Here are some pros and cons of purchasing this specific model:

Pros:

1. Capacity: With a 6.4 gallon capacity, this tank is suitable for most residential heating systems.

2. Glass-lined interior: The glass-lined interior provides excellent corrosion resistance, extending the tank's lifespan.

3. Durable construction: The tank is made of heavy-duty material, ensuring it can handle the pressures and temperatures of heating systems.

4. Leak detection system: The built-in leak detection system helps prevent costly water damage by alerting homeowners to potential issues.

5. Easy installation: The tank comes with a pre-installed expansion valve and a factory-installed drain valve, making installation easier.

Cons:

1. Size: At 13.5 inches in diameter and 17 inches in height, the tank may require some clearance space in the utility room or basement.

2. Weight: Weighing around 50 pounds, this tank may be difficult to transport and maneuver during installation.

3. Cost: Compared to some other expansion tanks on the market, the Amtrol ST-12C-DD may be more expensive.

Despite the size and weight limitations, the Amtrol ST-12C-DD Therma-X-Trol 6.4 gallon line thermal expansion tank offers several advantages, such as its corrosion-resistant glass-lined interior, durable construction, and built-in leak detection system. These features justify the slightly higher cost and make this tank a valuable investment for homeowners with heating systems.

In conclusion, if you're looking for a reliable and effective thermal expansion tank for your residential heating system, the Amtrol ST-12C-DD Therma-X-Trol 6.4 gallon model is a solid choice. Its advantages, including its corrosion resistance, durability, and leak detection system, outweigh the potential drawbacks, such as its size, weight, and cost. Ultimately, it's a worthwhile investment for maintaining the efficient and long-lasting performance of your heating system.

Details:

part #: st12c prices

  • $750.00-$900.00

specifications wateheat:

  • brand: Amtrol
  • mpn: St-12c-dd
  • type: Thermal Expansion Tank
  • flange material: Stainless Steel
  • connection type: Npt
  • color: Red
  • maximum operating temperature: 200 F
  • maximum operating pressure: 150 Psi
  • casing: Steel
  • product line: Therm-x-trol
  • upc: 642031668288

payments wateheat:

  • wallet: Paypal
  • credit card: Mastercard
  • other

shipping wateheat:

  • class: Standard
  • type: Fixed
  • cost: $39.99
  • carrier: USPS
  • service: USPS Ground Advantage
  • transit: 4-10 Days

seller wateheat:

  • rating: 100.0%
  • city: Santa Rosa, California
  • # reviews: 2831

returns wateheat:

  • policy: No Returns

offer wateheat:

  • quantity: 1
  • started: June 20, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general wateheat:

  • condition: New
  • Heating, Cooling Air > Water Heaters > Water Heater Parts
type: thermal expansion tank, flange material: stainless steel, connection type: npt, maximum operating temperature: 200 f, maximum operating pressure: 150 psi, casing: steel, product line: therm-x-trol,
category: home & garden > heating, cooling air > water heaters > water heater parts, color: red, sku: 4127551517566682,

Amtrol ST-12C Is Similar To:

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5 offers $750.00–$900.00 USD
  • Offer #1: $828.49 price + $85.00 shipping estimate = $913.49* total. 3/4" FNPT Connection Size. Amtrol ST-12-C.+$85.00 shipping
  • Offer #2: $750.00 price + $96.60 shipping estimate = $846.60* total. Perfect for use in water heaters, the Therm-X-Trol model -DD is a brand new product from Amtrol The Amtrol Therm-X-Trol 6.4 Gallon In Line Thermal Expansion Tank is a high-quality water heater part designed for efficient heating systems.+$96.60 shipping
  • Offer #3: $900.00 price + $0.00 shipping estimate = $900.00* total. The Amtrol brand is known for its quality and reliability, making this expansion tank a dependable choice for businesses and industrial applications requiring efficient and durable components The Amtrol -DD Therm-X-Trol is a new, ASME rated expansion tank with a capacity of 6.4 gallons.FREE SHIPPING
  • Offer #4: $1313.06 price + $0.00 shipping estimate = $1313.06* total. Connection Type : MNPT. The Amtrol Therm-X-Trol model 390602 is a diaphragm in-line thermal expansion tank designed for hot water systems.FREE SHIPPING
  • Offer #5: $859.99 price + $0.00 shipping estimate = $859.99* total. The tank is manufactured in the United States and has a maximum working pressure of 150#. This 12-gallon expansion tank is designed for use in boilers and is made of durable steel material.FREE SHIPPING

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