
401494 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $634.10 | Condition is New – Open box, XYLEM 401494 / 401494 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $500.60 | Condition is Used, XYLEM 401494 / 401494 (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $641.88 | Condition is New, HOFFMAN 401494 Xylem- Specialty 792 HI-PRESS.H2O 1/2f3/4m 250#, FREE SHIPPING | 98.5% |
![]() | $804.72 | Condition is New, Xylem-Hoffman Specialty 401494 792 HI-PRESS.H2O 1/2f3/4m 250#, FREE SHIPPING | 99.7% |

The Xylem Hofmann Gossett 401494 3/4 1/2 792 High Pressure Water Vent Valve is a crucial component in water supply systems that require the efficient removal of air and other non-condensable gases. This valve, manufactured by Xylem, a leading global water technology company, is specifically designed to meet the demands of high-pressure water applications.
The valve is available in a size of 3/4 inch inlet and 1/2 inch outlet. It is engineered to operate at a maximum working pressure of 792 psi (54.8 bar), making it an ideal fit for industrial and commercial water systems. The valve's body is constructed from durable cast iron, ensuring robustness and longevity in demanding water conditions.
The Xylem Hofmann Gossett 401494 3/4 1/2 792 High Pressure Water Vent Valve features a unique, self-cleaning diaphragm design. This diaphragm is made of high-quality elastomer material, which allows it to flex and expand in response to changes in water pressure. The diaphragm effectively vents trapped air and gases from the water system, preventing the formation of cavitation and ensuring consistent water flow.
One of the standout features of this valve is its ease of installation and maintenance. It is designed with a simple, top-entry configuration, which allows for quick and easy access to the internal components for maintenance or replacement. Additionally, the valve comes equipped with a convenient test port, enabling users to perform regular pressure tests to ensure optimal performance.
The Xylem Hofmann Gossett 3/4 1/2 792 High Pressure Water Vent Valve is an essential addition to any water system that requires the efficient removal of air and other non-condensable gases. Its robust design, self-cleaning diaphragm, and ease of installation and maintenance make it a top choice for industrial and commercial applications.
Xylem's Hoffman Gossett 401494 3/4 1/2 792 high pressure water vent valve is a commonly used component in water treatment systems and industrial processes. This valve is designed to allow air or gases to be vented from the system during filling or draining, preventing pressure build-up and potential damage. Let's examine the pros and cons of purchasing this valve.
Pros:1. High-quality construction: This valve is manufactured by Xylem, a reputable company known for producing durable and reliable water treatment equipment. It is made of brass material, which offers good corrosion resistance and longevity.
2. High pressure rating: The 792 PSI (pounds per square inch) pressure rating makes this valve suitable for use in industrial applications that require high water pressure.
3. Easy installation: The valve comes with a built-in strainer basket, which makes it easy to install and maintain. It can be installed in various orientations, depending on the application requirements.
4. Versatile application: This valve can be used in a wide range of applications, including water treatment plants, industrial processes, fire protection systems, and cooling towers.
5. Leak-free operation: The valve is designed to provide a leak-free operation, ensuring that there is minimal water loss during the venting process.
Cons:1. Higher cost: Compared to some other valve models, the Hoffman Gossett 401494 may be more expensive due to its high-quality construction and pressure rating.
2. Requires periodic maintenance: While the valve is designed to provide a leak-free operation, it still requires periodic maintenance to ensure proper functioning. This may include cleaning the strainer basket and checking for any signs of wear or damage.
3. Limited size options: This valve comes in a specific size (3/4 1/2), which may not be suitable for all applications. It is essential to ensure that the valve size matches the system requirements before making a purchase.
Conclusion:The Xylem Hoffman Gossett 401494 3/4 1/2 792 high pressure water vent valve is a high-quality, durable, and reliable component that is suitable for use in various industrial applications requiring high water pressure. Its easy installation, versatile application, and leak-free operation make it an attractive option for water treatment and industrial process professionals. However, its higher cost and requirement for periodic maintenance are important considerations that should be weighed against the benefits before making a purchase. Ultimately, if the application requires a high-pressure vent valve and the size is suitable, this valve is a solid investment for reliable and efficient system performance.
Details:
specifications maxohvac:
- brand: Xylem Hoffman Bell Gossett
- mpn: 401494
- type: Water Vent
returns maxohvac:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 30 days
shipping maxohvac:
- transit: 4-9 days
- service: standard
- class: standard
- type: fixed
offer maxohvac:
- started: november 10, 2025
- availability: in stock
- in stock #: 4
- prices: $500.60–$804.72
- item condition:
- New – Open box
- Used
- New
- best offers: true
- options: ship-to-home
- sold #: 11
seller maxohvac:
- city: addison, texas
- rating: 100.0%
- # reviews: 1426
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: mastercard
- wallet: apple-pay
- other
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