Amtrol
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AMTROL ST-30V Thermal Expansion Tank
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AMTROL ST-30V Thermal Expansion Tank
Amtrol invented the thermal expansion tank to control pressure build-up in closed, hot water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard.
AMTROL ST-30V Thermal Expansion Tank
Item #: 83839122

AMTROL ST-30V Thermal Expansion Tank

Item #: 83839122

IMP 444

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Amtrol invented the thermal expansion tank to control pressure build-up in closed, hot water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard.
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What Stands Out

Durable Construction
Featuring a robust design, the AMTROL ST-30V ensures long-lasting performance and reliability, effectively handling thermal expansion without compromising on quality, making it a favorite among homeowners.
Versatile Applications
Ideal for both residential and commercial settings, this thermal expansion tank is designed to work with various water heater systems, addressing thermodynamic fluctuations effectively to maintain optimal pressure.
Easy Installation
The AMTROL ST-30V simplifies setup with user-friendly instructions and pre-installed accessories, allowing for quick integration into existing systems, saving time and effort for both professionals and DIY enthusiasts.

Product Details

Shop AMTROL ST-30V Thermal Expansion Tank online at a best price in Isle of Man. B001AHVMVS
Item Weight20 lbs (9.07 kg)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners needing to manage water pressure in their plumbing systems effectively and efficiently.

  • Water Heater Users

    Perfect for users with traditional water heaters to prevent overpressure and potential system damage.

  • New Installations

    Recommended for new plumbing installations where thermal expansion tanks are necessary for optimal performance.

Not Suitable For
  • Small Apartments

    Small apartments may not require a thermal expansion tank due to lower water usage and pressure fluctuations.

  • Budget-Conscious Buyers

    Those seeking budget solutions may find this product pricier compared to simpler alternatives without expansion tanks.

  • Low Water Pressure Homes

    Not suitable for homes with consistently low water pressure where thermal expansion issues are unlikely to arise.

Product Description

AMTROL ST-30V Thermal Expansion Tank

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the AMTROL ST-30V Thermal Expansion Tank?

    Answer: The AMTROL ST-30V Thermal Expansion Tank is designed to accommodate the expansion of water in a plumbing system caused by heating. When the water heats up, it expands, increasing system pressure. This tank absorbs excess pressure, preventing stress on pipes and fixtures. With a capacity of 2.9 gallons, it is ideal for residential applications, particularly in homes with water heaters. Using this expansion tank can enhance the longevity of your plumbing system and prevent leaks or ruptures due to excessive pressure.
  • Question: How do I install the AMTROL ST-30V Thermal Expansion Tank?

    Answer: Installing the AMTROL ST-30V Thermal Expansion Tank is straightforward for professionals and DIYers alike. It typically involves connecting it to the cold water supply line of your water heater. Make sure the inlet and outlet connections are secure and that the tank is mounted vertically. Proper installation ensures optimal performance in pressure relief. If you're unsure, consulting a professional plumber is recommended to ensure compliance with local codes and to avoid potential mishaps.
  • Question: What size plumbing systems is the ST-30V suitable for?

    Answer: The AMTROL ST-30V is suitable for small to medium-sized residential plumbing systems, making it ideal for homes with a capacity of up to 40 gallons. Its size enables it to adequately manage the thermal expansion associated with standard water heaters. If you have a larger system or multiple water heaters, consider consulting a professional to assess the needs and possibly recommend a larger capacity tank for optimal performance.
  • Question: Can the AMTROL ST-30V be used with tankless water heaters?

    Answer: Yes, the AMTROL ST-30V Thermal Expansion Tank can be used with tankless water heaters. While tankless systems typically heat water on demand, they can still generate pressure increases due to thermal expansion. Incorporating this expansion tank into your plumbing system can help mitigate excessive pressure build-up, safeguarding both your water heater and plumbing from potential damage. It's a prudent addition for maintaining a balanced plumbing environment.
  • Question: What materials is the AMTROL ST-30V made of?

    Answer: The AMTROL ST-30V is constructed from durable, high-quality materials, featuring a steel tank exterior with a corrosion-resistant finish. Inside, it employs a butyl rubber diaphragm to separate the air and water, ensuring efficient operation while minimizing wear. This robust construction extends the life of the tank, making it a reliable choice for residential applications needing pressure management. Regular maintenance checks can help ensure it remains effective over time.
  • Question: How do I know if my expansion tank needs replacement?

    Answer: You should consider replacing your AMTROL ST-30V Thermal Expansion Tank if you notice signs like decreased water pressure, leaks around the tank, or if the tank is completely full of water upon inspection. Regular testing of the air charge is also essential, as any loss in air pressure can indicate it needs maintenance or replacement. Keeping an eye on these indicators can maximize the efficiency of your plumbing system and prolong its life.
  • Question: What are the advantages of using the AMTROL ST-30V over traditional expansion solutions?

    Answer: The AMTROL ST-30V offers significant advantages over traditional expansion solutions, such as direct pipe relief valves. It efficiently absorbs excess pressure without the risk of water escaping or damaging your plumbing fixtures. Its diaphragm technology ensures that the air pressure remains separate from water pressure, maintaining system balance. This reliability results in less frequent repairs and prolonged life for your plumbing components compared to standard relief methods that can be less predictable.
  • Question: Is routine maintenance needed for the AMTROL ST-30V Thermal Expansion Tank?

    Answer: Yes, routine maintenance is essential for the AMTROL ST-30V to ensure optimal performance. Regularly checking the air pressure inside the tank—typically at 12-15 psi—is recommended. If the pressure drops below this range, it may need to be recharged. Additionally, inspect for any leaks or corrosion that could affect function. This proactive approach helps maintain a pressure-controlled environment in your plumbing system and can prevent costly repairs down the line.
  • Question: What is the role of the diaphragm in the ST-30V tank?

    Answer: The diaphragm in the AMTROL ST-30V Thermal Expansion Tank plays a critical role by separating the air cushion from the water in the tank. This separation allows the diaphragm to flex as water expands in response to heating, effectively absorbing the increased pressure without letting it enter the plumbing system. This mechanism ensures a stable pressure within your plumbing, preventing potential damage and making it a crucial component for effective thermal expansion management.
  • Question: Where can I buy AMTROL ST-30V Thermal Expansion Tank?

    Answer: You can buy the AMTROL ST-30V Thermal Expansion Tank at Ubuy in Isle of Man. They offer a convenient online shopping experience with a variety of home improvement products, making it easy to find and purchase the right expansion tank for your plumbing needs. With Ubuy, you can explore various options and have your chosen product delivered directly to your home.

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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.

IMP 444

Order now and get it around Sunday, July 05

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
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Features & Benefits

  • Prevents pressure build-up in closed, hot water systems
  • Saves energy by preventing the water heater pressure relief valve from opening
  • Eliminates potential safety hazard
  • Accepts expanded water caused by thermal expansion
  • Returns water to the system when hot water is used
  • Prevents dripping faucets, intermittent toilet fill, and pressure relief valve discharge