CALEFFI 521619AC Thermostatic Mixing Valve Sweat 200 85-150F

( Brand: Caleffi ), ( Part Type: Valve Bra ), ( Manufacturer Part Number: 521619AC )

Review CALEFFI Thermostatic Mixing Valve Inch Brass 200 Psi 85-150f Sweat New

The Caleffi 521619AC Thermostatic Mixing Valve is an essential addition to any hot water system, providing safe and reliable temperature control for applications where water temperatures need to be maintained between specific ranges. This particular model is designed for use with sweat (soldered) copper pipe and can handle water flow rates between 200 and 150 gallons per hour.

Measuring 6.3 inches in length, 3.7 inches in width, and 2.1 inches in height, this compact and versatile valve is suitable for various residential and commercial applications. Its sleek design, featuring a modern white finish, blends seamlessly with most interior decors.

At the heart of this thermostatic mixing valve is a sophisticated temperature control system. This system ensures that the output water temperature remains within the desired range, providing optimal comfort and safety. The temperature setting can be easily adjusted using the built-in knob, allowing users to customize the water temperature to their preference.

The Caleffi 521619AC Thermostatic Mixing Valve is designed with energy efficiency in mind. It utilizes a patented thermal energy storage system that maintains a constant temperature within the valve body. This results in reduced energy consumption and lower overall operating costs.

Another key feature of this valve is its ability to prevent scalding. By mixing hot and cold water to the desired temperature, it eliminates the risk of excessive hot water reaching the tap. This is particularly important in applications such as kitchen sinks, dishwashers, and shower installations where the risk of scalding is higher.

Constructed from high-quality materials, including brass and stainless steel, this thermostatic mixing valve is built to last. It is also equipped with a diaphragm made from a durable elastomer material, ensuring excellent resistance to corrosion and the ability to maintain consistent performance over time.

In summary, the Caleffi 521619AC Thermostatic Mixing Valve is a versatile and reliable solution for maintaining safe and consistent water temperatures in various applications. Its sleek design, energy efficiency, and scald prevention features make it an excellent choice for both residential and commercial installations.

The Caleffi 521619AC Thermostatic Mixing Valve is a popular choice for ensuring a comfortable water temperature in various applications, such as radiant heating systems, solar thermal installations, and domestic hot water systems. This valve is designed to mix hot and cold water while maintaining a consistent temperature setpoint. Let's discuss the pros and cons of purchasing a Caleffi 521619AC Thermostatic Mixing Valve:

1. Temperature Control: The primary function of this valve is to maintain a consistent temperature between the hot and cold water streams. This is crucial for ensuring user comfort and energy efficiency in various applications.

2. Energy Efficiency: The Caleffi 521619AC Thermostatic Mixing Valve is designed to minimize energy losses due to excessive temperature differences between the hot and cold water streams. This results in energy savings and reduced operating costs.

3. Durable Construction: The valve is built using high-quality materials, including brass bodies and stainless steel parts. This ensures long-lasting performance and resistance to corrosion and other forms of damage.

4. Easy Installation: The valve comes with a user-friendly design and straightforward installation process. This makes it an ideal choice for DIY enthusiasts and professional installers alike.

5. Versatile Applications: The Caleffi 521619AC Thermostatic Mixing Valve is suitable for a wide range of applications, including residential and commercial buildings, as well as industrial processes.

1. Cost: The Caleffi 521619AC Thermostatic Mixing Valve is priced higher than some other mixing valves on the market. This may be a significant consideration for those on a tight budget.

2. Complexity: Although the installation process is relatively straightforward, the valve itself contains several components that can be confusing for some users. Proper installation and configuration are essential to ensure optimal performance.

3. Limited Temperature Range: The valve is designed for temperature ranges between 85 F and 150 F. This may not be suitable for applications requiring higher or lower temperature ranges.

Considering the advantages and disadvantages of the Caleffi 521619AC Thermostatic Mixing Valve, it is an excellent investment for those seeking reliable temperature control and energy efficiency in various applications. Its durable construction, easy installation, and versatile applications make it a popular choice among professionals and DIY enthusiasts. However, its higher cost and limited temperature range may be a concern for some users. Ultimately, the decision to purchase the Caleffi 521619AC Thermostatic Mixing Valve depends on individual requirements, budget constraints, and application specifications.

If you are in need of a reliable and efficient thermostatic mixing valve with temperature control capabilities, the Caleffi 521619AC Thermostatic Mixing Valve is an excellent choice. Its high-quality materials, easy installation, and versatile applications make it a worthy investment for both residential and commercial projects. However, carefully consider your temperature range requirements and budget before making a final decision. If the cost is a concern, you may want to explore alternative mixing valves with similar features at a lower price point.

Details:

New in box, comes with what is shown.

part #: 521619ac prices

• $285.12-$305.59

specifications aerationaura:

• brand: Caleffi
• part type: Valve Bra
• manufacturer part number: 521619AC

general aerationaura:

• condition: New
• Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air

offer aerationaura:

• sold: 0
• started: December 14, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 1

seller aerationaura:

• rating: 99.8%
• city: Albuquerque, New Mexico
• # reviews: 6135

shipping aerationaura:

• type: Fixed
• cost: $0.00
• service: Standard
• class: Standard
• transit: 4-8 Days

payments aerationaura:

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

returns aerationaura:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

Caleffi 521619AC Is Similar To:

• Caleffi 016615068610 508013a Hygroscopic Air Vent 1 8-inch Npt Male (41.9% similar) Is the leading Italian manufacturer of high-quality components for heating, conditioning and plumbing systems supplier high performance hydro id solutions. Manual closed operation by unscrewing knob, connection: 1/8-INCH not male, maximum working pressure: 150 psi...(December 14th, 2024)
• Caleffi Z45p 24v 3 4 Press Fit Zone Valve 7.5 Cv 2-way Nc With 18 Leads And Aux (36.3% similar) New open box see photos...(January 26th, 2025)
• Caleffi 642415188074 502015a High Capacity Automatic Air Vent 1 8-inch Npt Male (38.8% similar) Enhance system performance and life expectancy, connection type: threaded, size: 0.13-INCH is the leading Italian manufacturer of high-quality components for heating, conditioning plumbing systems supplier high hydro id solutions. Is the leading Italian manufacturer of high...(February 6th, 2025)
• Caleffi 502243a New Lot 2 High Capacity 1 2 Npt M Air Vent Free Shipping (19.6% similar) New, lot 2 Caleffi 502243A high capacity 1/2 not m air vent, free shipping. Sarasota fl 34240. 2031 global court...(February 25th, 2025)
• Air Vent 502620a Caleffi 1 4 Inch Npt Automatic (26.6% similar) Caleffi 502620A 1/4 not automatic air vent...(March 14th, 2025)
• Caleffi 502115a 1 8-inch Npt Automatic Air Vent New (46.3% similar) Part #: Caleffi 502115A for sale...(April 24th, 2025)
• Caleffi 520516ac Anglemix 3-way Mixing Valve 3 4 Press With Check Gauge (53.9% similar) The 3-WAY design with a press connection makes installation easy, while the built-in check gauge ensures accurate mixing ratios. It is a reliable and durable solution for controlling water temperature in both residential commercial settings. This valve allows for efficient mixing of hot and cold...(November 10th, 2025)
• Caleffi 502043a Minical 1 2 Inch Mpt High Capacity Air Vent New In Box (39.2% similar) Mpn: 502043A. This model features a durable brass construction with 1/2 inch Mont connection, suitable for both heating and cooling systems. Items come only with what is shown in the pictures, nothing more and less unless stated. Please see photos. Free shipping. I m known for my fast...(December 20th, 2025)
• Caleffi 521416a 3-way Mixing Valve 1 2 Inch Brass 150f 200psi Press Connection (61.6% similar) The Caleffi 521416A 3-WAY mixing valve is a high-quality brass valve designed for heating, cooling, and air systems. With a 1/2 press connection, this valve is capable of mixing hot and cold water to maximum temperature 150F with pressure rating 200PSI. The Caleffi brand is known for its durable...(March 8th, 2026)
• Caleffi 551005a Air Separator 3 4 Inch Brass 150 Psi 32-250f Fnpt (54.8% similar) Caleffi 551005A 3/4 not dirt mag magnetic dirt separator, made in Italy. Whats included. Connection size: 3/4 not. Designed for hydroponic heating and cooling systems, this unit removes both ferrous magnetic non-ferrous impurities...(April 2nd, 2026)