CALEFFI 551006A Discal Air Separator Fnpt

( Brand: Caleffi ), ( Part Type: Air Separator Bra ), ( Manufacturer Part Number: 551006A )

Review CALEFFI Discal Air Separator Inch Fnpt Brass

The Caleffi 551006A Discal Air Separator is an essential addition to any hydronic heating or cooling system. This high-performance component is designed to remove dissolved air from the circulating water, ensuring optimal system efficiency and longevity.

The Discal Air Separator features a unique and compact design, with a diameter of only 3.5 inches and a height of 6.7 inches. Its small footprint makes it an ideal choice for installation in tight spaces. The unit is constructed of high-quality, corrosion-resistant materials, including a stainless steel body and a brass inlet and outlet. These materials ensure durability and reliability, even in demanding environments.

The Caleffi 551006A utilizes a disc stack design to separate air from the water. This design allows the unit to operate at flow rates up to 10 gallons per minute (GPM) and pressure drops up to 10 psi, making it suitable for use in a wide range of applications. The unit's large 0.63 gallon (2.4 liter) capacity ensures that it can effectively remove a significant amount of dissolved air from the system.

The Discal Air Separator is also equipped with a non-return valve, which prevents backflow of water into the separator when the circulator is off or running in reverse. This feature helps to maintain the proper flow direction through the unit and ensures that it operates efficiently at all times.

The Caleffi 551006A Discal Air Separator is easy to install, with a simple push-on connection for the inlet and outlet pipes. It is also compatible with a wide range of hydronic system components, including pumps, boilers, and radiators. The unit is suitable for use with both open and closed hydronic systems.

In summary, the Caleffi 551006A Discal Air Separator is a high-performance, compact, and reliable component that is essential for maintaining the efficiency and longevity of hydronic heating and cooling systems. Its unique disc stack design, easy installation, and compatibility with a wide range of system components make it an indispensable tool for any hydronic system professional or DIY enthusiast.

The Caleffi 551006A Discal Air Separator is a popular choice in the HVAC industry for separating and removing air from liquid systems. Here are some pros and cons to consider before making a purchase.

1. Effective Air Separation: The Discal separator uses a disc stack design, which provides excellent separation performance. It can handle high flow rates and remove even the smallest air bubbles, ensuring proper system operation and preventing damage caused by air trapped in the liquid.

2. Compact Design: The separator has a compact, vertical design that makes it easy to install in limited spaces. It can be installed horizontally as well, depending on the application requirements.

3. Easy Maintenance: The Discal separator features a transparent bowl, which allows for easy visual inspection of the system for any potential issues. It also has an easily accessible drain valve for quick and easy draining of any collected condensate or liquid.

4. Versatile Application: The separator can be used in various applications, including heating, cooling, and industrial processes, making it a versatile addition to any system.

5. Durable Construction: The separator is made of high-quality materials, such as stainless steel, which ensures longevity and resistance to corrosion.

1. Higher Cost: Compared to other air separators on the market, the Caleffi 551006A Discal separator may have a higher upfront cost, which can be a deterrent for some buyers.

2. Limited Flow Rate: While the separator can handle high flow rates, it may not be the best option for very large systems or applications with extremely high flow rates.

3. Requires Proper Installation: The Discal separator requires proper installation to ensure optimal performance. This includes ensuring that the separator is installed at the correct location in the system, that the inlet and outlet connections are properly tightened, and that the system is properly primed.

The Caleffi 551006A Discal Air Separator is a high-quality, effective solution for removing air from liquid systems. Its compact design, easy maintenance, and versatile application make it a popular choice among HVAC professionals. However, its higher cost and limited flow rate may be a deterrent for some buyers. Ultimately, the decision to purchase this separator will depend on the specific requirements of your system and your budget.

If you have a medium to large-sized liquid system and are looking for an effective air separation solution, the Caleffi 551006A Discal Air Separator is a strong consideration. Its high-quality construction and excellent separation performance make it a worthwhile investment for ensuring proper system operation and preventing damage caused by air trapped in the liquid. However, if you have a very large system or a limited budget, you may want to explore other options that may better suit your needs.

Details:

With a 1 inch FNPT connection, it effectively separates air from liquid to ensure efficient operation. The Caleffi 551006A Discal Air Separator is a high-quality brass separator designed for heating and cooling systems.

part #: 551006a prices

• $149.99-$188.51

specifications aerationaura:

• brand: Caleffi
• part type: Air Separator Bra
• manufacturer part number: 551006A

payments aerationaura:

• other
• wallet: Paypal
• credit card: Mastercard

returns aerationaura:

• paid by: Buyer
• method: Money back
• time: 14 Days
• policy: Returns Accepted

seller aerationaura:

• rating: 99.4%
• city: Houston, Texas
• # reviews: 9905

offer aerationaura:

• quantity: 1
• started: May 26, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

shipping aerationaura:

• transit: 3-8 Days
• service: Standard
• cost: $0.00
• class: Standard
• type: Fixed

general aerationaura:

• Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air
• condition: Open box

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