WATTS 61888 Dual Check Valve Backflow Preventer Union Female 9D-M2 098268004281 3/4 Npt

( Brand: Watts ), ( Manufacturer Part Number: 61888 ), ( Part Type: Valve Check ), ( Outlet Connection Type: Fnpt ), ( Item Display Weight: 20.0 ), ( Maximum Operating Pressure: 175.0 ), ( Inlet Connection Type: Sweat ), ( Size: 3/4 Inch ), ( Valve Type: Dual Check Valve ), ( Model Number: 9d-m2 ), ( Exterior Finish: Brass ), ( Included Components: Watts Regulator 61888 9d 3/4 3/4 Backflow Preventer Sweat ), ( Model Name: Backflow Preventor ), ( Connector Type: Union ), ( Specification Met: Asse 1012, Csa B64.3 Certified ), ( National Stock Number: 4820-01-408-2331 ), ( Color: Bronze ), ( Unit Count: 1.0 ), ( UPC: 098268004281 ), ( Package Dimensions Lxwxh: 5.94x2.76x2.4 Inches ), ( Weight: 1.39 Pounds )

Review WATTS 9d Series 3/4 Inch Brass Dual Check Valve Backflow Preventer Union Female Npt

Watts 61888 9D 3/4 Dual Check Valve Backflow Preventer Union (Female NPT)

The Watts 61888 9D 3/4 Dual Check Valve Backflow Preventer Union (Female NPT) is a high-quality plumbing solution designed to safeguard potable water systems from backflow contamination. This durable and reliable product is an essential component for any water supply system, particularly in commercial and residential applications where water purity is of the utmost importance.

The Watts 61888 model features a 3/4 inch NPT (National Pipe Thread) female connection, ensuring a secure and leak-free installation. The dual check valve system, composed of two independent spring-loaded check valves, provides an additional layer of protection against backflow. This design meets the highest industry standards and ensures that water flows in one direction only, thus preventing contaminated water from entering the potable water supply.

The 9D model is a diaphragm-type backflow preventer, which offers several advantages over other types. The diaphragm is made of flexible material, reducing the risk of damage due to pressure surges. This flexibility also allows the valve to operate smoothly, even in the presence of debris or foreign matter in the water.

The Watts 61888 9D Backflow Preventer Union is designed for easy installation and maintenance. It comes with a union connection, which allows for quick and straightforward assembly, as well as ease of disassembly for inspection and cleaning purposes. This backflow preventer is built to last, with a durable construction that can withstand the rigors of everyday use in a variety of water systems.

In conclusion, the Watts 61888 9D 3/4 Dual Check Valve Backflow Preventer Union (Female NPT) is a top-tier plumbing product that offers unparalleled protection against backflow contamination. Its dual check valve system, diaphragm design, and union connection make it an ideal choice for any water supply system where water purity is paramount.

Analysis of a 61888 9D 3/4 Dual Check Valve Backflow Preventer Union (Female NPT)

1. Dual Check Valve System: This design provides an additional layer of protection against backflow, ensuring the safety and integrity of your water supply system.

2. Union Connection: The union connection allows for easy assembly, disassembly, and maintenance without the need for soldering or threading.

3. Female NPT Thread: The NPT (National Pipe Thread) is a standard thread type, making it compatible with a wide range of water system components.

4. High Flow Rate: With a higher wattage, this backflow preventer can handle a larger volume of water, making it suitable for high-demand applications.

1. Cost: Compared to other, simpler backflow preventers, this dual check valve model may be more expensive due to its increased complexity and additional safety features.

2. Maintenance: Dual check valve systems require more frequent maintenance to ensure proper functioning and safety.

3. Size and Weight: Due to its larger size and the need for two check valves, this backflow preventer may be more challenging to install in tight spaces or where space is limited.

Conclusion: The 61888 9D 3/4 Dual Check Valve Backflow Preventer Union (Female NPT) offers enhanced protection against backflow, making it a suitable choice for applications where water safety is paramount. However, its increased cost, maintenance requirements, and potential space constraints should be carefully considered before making a purchase.

Recommendation: If you prioritize water safety and are willing to invest in a more complex and maintenance-intensive backflow preventer, this product could be a good fit for your needs. Otherwise, you might consider simpler and more cost-effective backflow preventer options depending on your specific application requirements and budget.

Details:

COMPREHENSIVE FEATURES: This 3/4 preventer is equipped with everything needed to efficiently prevent the backflow of water: NPT female inlet and outlet connections, stainless steel internal parts, an integral strainer. BACKFLOW PREVENTION: The Brass Dual Check Valve Backflow Preventer is designed to prevent the reverse flow of hot or cold polluted water from entering into potable supply in smaller lines. Its in our name and close to hearts. It has a broad operating temperature range of 33 F 0.5 C to 250 121 C, minimum required pressure 25 psi 1.7 bar and maximum 175 12.1 bar.

It also includes two durable, tight-seating rubber check valves: a primary valve utilizing disc seating against mating part to ensure tight closing and secondary disc-to-metal. EVERY DROP COUNTS: Water. DURABLE DESIGN: Suitable for use on both hot or cold water, this preventer is constructed with a highly durable forged brass body, and its compact construction ensures it can be easily handled during installation. VERSATILE APPLICATIONS: Engineered for smaller supply lines, this versatile preventer can be used under continuous pressure and is particularly suited laboratory equipment, processing tanks, sterilizers, dairy similar applications.

part #: 61888 prices

• $69.49-$69.95

specifications valvesplumbing:

• brand: Watts
• mpn: 61888
• part type: Valve Check
• outlet connection type: Fnpt
• item display weight: 20.0
• maximum operating pressure: 175.0
• inlet connection type: Sweat
• size: 3/4 Inch
• valve type: Dual Check Valve
• model number: 9d-m2
• exterior finish: Brass
• included components: Watts Regulator 61888 9d 3/4 3/4 Backflow Preventer Sweat
• model name: Backflow Preventor
• connector type: Union
• specification met: Asse 1012, Csa B64.3 Certified
• national stock number: 4820-01-408-2331
• color: Bronze
• unit count: 1.0
• upc: 098268004281
• package dimensions lxwxh: 5.94x2.76x2.4 Inches
• weight: 1.39 Pounds

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

seller valvesplumbing:

• # reviews: 1975
• rating: 97.9%
• city: Claymont,

shipping valvesplumbing:

• cost: $0.00
• service: Economy
• class: Economy
• type: Fixed
• transit: 5-11 Days

offer valvesplumbing:

• options: Ship-to-home
• sold: 0
• started: August 23, 2025
• availability: In Stock
• quantity: 1

payments valvesplumbing:

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

returns valvesplumbing:

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

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