WATTS 25AUB Reducing Valve Water Pressure Gauge 733353752943 3/4 300

( Brand: Watts ), ( Part Type: Valve Pressure Gauge ), ( Outlet Connection Size: 0.75 ), ( Suitable Media: Water ), ( Package Dimensions Lxwxh: 7.48x6.93x3.35 Inches ), ( Unit Count: 1.0 ), ( Size: 3/4 Inch ), ( Outlet Connection Type: Fnpt ), ( Connector Type: Union ), ( Exterior Finish: Stainless Steel ), ( Model Name: Water Pressure Reducing Valve ), ( Inlet Connection Type: National Pipe Tapered ), ( Control Method: Touch ), ( Material: Brass Finish ), ( Maximum Operating Pressure: 300 Psi ), ( Weight: 3.62 Pounds ), ( UPC: 733353752943 ), ( Item Display Weight: 3.3 ), ( Customer Package Type: Standard Packaging ), ( Country Of Origin: United States )

Review WATTS 3/4 Water Pressure Reducing Valve Max 300 Psi

The Watts 733353752943 **3/4" 25AUB Water Pressure Reducing Valve (PRV) with a 300 PSI rating** is a high-performance, durable solution designed to maintain consistent water pressure in residential, commercial, and light industrial applications where precise flow regulation is essential. Engineered with Watts reputation for reliability, this valve features a robust **3/4-inch brass body**, ensuring long-lasting performance and resistance to corrosion, making it ideal for both indoor and outdoor installations where exposure to varying environmental conditions may occur. The **25AUB series** incorporates a **spring-loaded diaphragm mechanism**, which provides smooth, consistent pressure reduction while minimizing water hammer and noise, a common issue in traditional PRVs. This valve is specifically rated for **300 PSI**, allowing it to handle high-pressure systems without compromising efficiency, whether it s for municipal water supply lines, irrigation systems, or building plumbing where excessive pressure could damage fixtures or appliances.

The design includes a **pressure-adjusting screw** that enables precise calibration to the desired downstream pressure, typically set between **20 and 80 PSI**, depending on application requirements. This adjustability ensures optimal performance for everything from residential showers and faucets to commercial sprinkler systems and industrial processes where stable water flow is critical. The valve s **brass construction** is further reinforced with **lead-free materials**, adhering to modern plumbing codes and environmental regulations, while its **threaded connections (NPT)** ensure a secure, leak-proof installation with standard plumbing fittings. Additionally, the **3/4-inch size** strikes a balance between adequate flow capacity and compact installation space, making it versatile for both retrofits and new builds.

For added convenience, the Watts 7/3353752943 is equipped with a **clear, labeled pressure gauge** (included in some configurations) that allows users to monitor downstream pressure in real time, facilitating quick adjustments and troubleshooting. The valve s **anti-siphon design** prevents backflow, protecting the water supply from contamination, while its **full-port flow path** minimizes pressure loss, ensuring maximum efficiency. Whether installed in a home s main water line to protect appliances or in a commercial setting to regulate irrigation or process water, this PRV delivers **consistent, reliable performance** with minimal maintenance. Built to withstand the demands of modern plumbing systems, the Watts 733353752943 is a dependable choice for professionals and DIY enthusiasts alike who prioritize durability, precision, and long-term value.

### **Pros and Cons of buying a Watts 733353752943 3/4" 25AUB Water Pressure Reducing Valve (300 PSI)**

1. **High Pressure Rating (300 PSI)** Suitable for commercial, industrial, or high-pressure residential applications where standard valves may fail. This ensures durability in demanding systems.

2. **Durable Construction** Made by Watts, a reputable brand known for quality plumbing and irrigation products. The valve is likely built to last with materials resistant to corrosion and wear.

3. **Adjustable Pressure Setting** The 25AUB model allows precise control over outlet pressure, which is useful for protecting downstream pipes, appliances, or irrigation systems from excessive pressure.

4. **Compatibility with 3/4" Pipe Sizing** Fits standard plumbing systems, making installation straightforward without the need for additional fittings or adapters.

5. **Potential Long-Term Cost Savings** By reducing pressure, it can extend the lifespan of water-using appliances (e.g., water heaters, washing machines) and plumbing fixtures, reducing repair or replacement costs.

6. **Safety Benefit** Prevents pipe bursts and leaks caused by excessive water pressure, which can lead to water damage and property loss.

7. **Versatile Applications** Can be used in residential, commercial, or agricultural settings where pressure regulation is critical.

1. **High Initial Cost** Compared to basic pressure-reducing valves, this model is likely more expensive due to its high-pressure rating and commercial-grade build.

2. **Complex Installation** Requires proper plumbing knowledge and tools. Incorrect installation (e.g., wrong orientation, improper sealing) can lead to leaks or failure. Professional installation may be recommended.

3. **Maintenance Requirements** Like all mechanical valves, it may require periodic inspection, cleaning, or part replacement (e.g., seals, diaphragms) to ensure optimal performance.

4. **Potential for Overkill in Low-Pressure Systems** If your system rarely exceeds moderate pressure (e.g., below 100 PSI), this valve may be unnecessary, making it a costly over-specification.

5. **Limited Availability of Parts** As a high-end model, replacement parts or service may be harder to find compared to more common valves.

6. **Pressure Fluctuations** Some pressure-reducing valves can cause minor pressure fluctuations as they adjust, which may be noticeable in sensitive systems (e.g., sensitive irrigation timers or appliances).

7. **Space Constraints** The valve body may be bulkier than standard models, requiring careful placement in tight plumbing setups.

---

The **Watts 733353752943 3/4" 25AUB Water Pressure Reducing Valve (300 PSI)** is a robust, high-performance solution ideal for systems where water pressure exceeds standard limits or where long-term protection of plumbing and appliances is a priority. Its durability, adjustability, and safety benefits make it a strong choice for commercial, industrial, or high-risk residential applications. However, its cost, installation complexity, and potential over-specification for low-pressure systems may not justify the purchase for every user.

---

- Your water pressure consistently exceeds 100 150 PSI and you want to protect your system from damage.

- You re working on a commercial or industrial plumbing setup where reliability and high-pressure handling are critical.

- You prioritize long-term savings by preventing appliance wear and pipe failures.

- You re comfortable with or can hire a professional for installation and maintenance.

- Your water pressure rarely exceeds 80 100 PSI, and a standard (lower-rated) valve would suffice.

- You re on a tight budget and cannot justify the higher upfront cost.

- You lack plumbing experience and are unwilling to invest in professional installation.

- You require a valve for a temporary or low-risk application where durability isn t a concern.

For most **residential homes with moderate pressure**, a lower-rated valve (e.g., 100 150 PSI) from the same brand or a budget-friendly alternative may be more practical. However, if you re in a high-pressure zone or need a heavy-duty solution, this Watts valve is a solid, long-term investment.

Details:

Any questions please feel free to send me a message. This item is in used condition. Please see all photos before buying.

part #: 733353752943 prices

• $69.99-$154.95

specifications valvesplumbing:

• brand: Watts
• part type: Valve Pressure Gauge
• outlet connection size: 0.75
• suitable media: Water
• package dimensions lxwxh: 7.48x6.93x3.35 Inches
• unit count: 1.0
• size: 3/4 Inch
• outlet connection type: Fnpt
• connector type: Union
• exterior finish: Stainless Steel
• model name: Water Pressure Reducing Valve
• inlet connection type: National Pipe Tapered
• control method: Touch
• material: Brass Finish
• maximum operating pressure: 300 Psi
• weight: 3.62 Pounds
• upc: 733353752943
• item display weight: 3.3
• customer package type: Standard Packaging
• country of origin: United States

returns valvesplumbing:

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

seller valvesplumbing:

• city: Salt Lake City, Utah
• # reviews: 671
• rating: 100.0%

shipping valvesplumbing:

• carrier: USPS
• transit: 2-5 Days
• cost: $11.00
• class: Standard
• type: Fixed
• service: USPS Ground Advantage

payments valvesplumbing:

• wallet: Paypal
• other
• credit card: Discover

offer valvesplumbing:

• sold: 0
• started: May 7, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1

general valvesplumbing:

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

Watts 25AUB Is Similar To:

• 00009257 Watts 3-4 Pressure Reducing (49.1% similar) 95 to any us destination. watts 3/4 brass pressure reducing valve. Shipping is in a medium flat rate box at retails for degrees Max. PRESSURE300 1003, CSS B356, . Technical pressure reducing valve valve free brass pipe SIZE3 4 preset SETTINGS50 psi pressure adjustment RANGE25 to 75 psi ...(December 12th, 2017)
• 0009589 Watts Water Pressure Reducing Valve Psi Fnpt 098268333701 (57.8% similar) Ideal for used in commercial and residential applications to reduce incoming water pressure protection of plumbing system components consumption...(October 13th, 2018)
• 0050840 Watts Edp Lp Std Water Pressure Reducing Valve 098268002256 (59.9% similar) Reduced pressure delivery setting 30LBS. This a new item but the original packaging and or box may be missing show some signs of wear. watts EDP bronze water pressure reducing valve strainer new for supply main pressures up to 200 lbs. Please do your homework and make sure that this item will meet...(November 5th, 2018)
• 0062094 Watts Reduced Pressure Backflow Preventer New In Box (32.3% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(May 21st, 2018)
• 0122612 Watts Valve Lf009 Gate 098268639650 (26.5% similar) Cast iron epoxy coated body watts LF009 NRA gate valves brand new still in crate. Check valves are module and held in place with a retainer. Second photo is a picture of the tag located on actual crate watts 009 reduced pressure zone assembly with NRA non-rising stem gate valves. Relief valve ...(May 29th, 2017)
• 0125573 Watts 1 Pressure Reducing (46.6% similar) Brand new in unopened box...(November 19th, 2017)
• 0194 Watts 2 Gate Valve Cat (39.2% similar) watts gate vale 2 part brand new...(March 8th, 2017)
• 0274200 Watts Edp Hot Water Extender Tempering Valve Nos 098268012859 (38.8% similar) This a new item but the original packaging and or box may be missing show some signs of wear. watts EDP hot water extender tempering valve N170 m1 nos made in USA mfg. Box is tattered this valve comes in mfg original with instructions for installation. Use of the product by a user is Ats risk. ...(November 5th, 2018)
• 0274428 2p074 Watts New Pressure Relief Valve Psi Series 098268013078 (43.2% similar) Have a great day. 7 bar btu per hour rating: 650,000 please with any questions. Combined shipping discount for multiple items purchased: discounts provided purchased 2 or more that are within a three 3 day time period. Inc lock: please review the above information carefully...(March 16th, 2018)
• 0321987 Watts Regulator Pressure New (39.6% similar) Part: 0321987 prices...(June 27th, 2018)
• 0342691 Watts Boiler Pressure Relief Valve Fnpt Hot Water Heating System (43.7% similar) ...(March 4th, 2018)