
40405-00 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $44.89 | Condition is New – Open box, Viega Powerhead Actuator 24V 2 Wire A 40405-00, FREE SHIPPING | 99.9% |

The Viega 40405-00 Powerhead Actuator is a versatile and reliable solution for automatic control of valves and water distribution systems. This actuator is designed to operate with a 24-volt direct current power source, making it an excellent choice for various applications in commercial, industrial, and residential settings.
The Powerhead Actuator features a robust and compact design with a die-cast aluminum housing that ensures durability and resistance to harsh environments. It boasts a maximum torque output of 21 Nm and can handle valve sizes ranging from 1/2" to 2". The actuator is also equipped with a precision-machined stainless steel gear train for smooth and quiet operation.
One of the standout advantages of the Viega 40405-00 Powerhead Actuator is its built-in position feedback sensor. This sensor provides continuous feedback on the actuator's position, enabling real-time monitoring and control of valve position. It also includes a fail-safe feature that ensures the valve returns to the correct position in case of power failure.
The actuator comes with a pre-wired 2-conductor cable, making the installation process straightforward. The cable is terminated with quick-connect terminals for easy wiring, and the actuator can be mounted in various orientations, including top or bottom entry.
The Viega 40405-00 Powerhead Actuator is built to meet the highest industry standards, including ANSI/ASME A112.18.1 and CE. It is also backed by Viega's industry-leading warranty, providing peace of mind for contractors, engineers, and building owners.
In summary, the Viega 40405-00 Powerhead Actuator is a top-of-the-line, 24-volt actuator that offers robust design, smooth operation, and precise position feedback. Its easy installation, versatile mounting options, and reliable performance make it a preferred choice for professionals and DIY enthusiasts seeking to automate their valves and water distribution systems.
Viega's 40405-00 Powerhead Actuator is a popular choice for those seeking a reliable and efficient solution for their heating and cooling systems. Here are some pros and cons of buying this actuator to help you make an informed decision:
Pros:1. High-performance: This actuator delivers a maximum torque of 120 Nm, making it an excellent choice for larger valves and applications that require high-performance.
2. Energy efficiency: With a 24V DC power supply, the Viega 40405-00 Powerhead Actuator consumes less energy compared to its AC counterparts.
3. Durable design: The actuator features a robust and corrosion-resistant stainless steel housing, ensuring long-lasting performance even in harsh environments.
4. Easy installation: The actuator comes with a pre-wired cable and mounting brackets, simplifying the installation process.
5. Quiet operation: The Viega Powerhead Actuator operates quietly, making it an ideal choice for applications where noise levels need to be kept low.
Cons:1. Higher cost: Compared to other actuator models, the Viega 40405-00 Powerhead Actuator may have a higher upfront cost.
2. Limited compatibility: This actuator is designed specifically for Viega valves and may not be compatible with other brands.
3. Manual adjustment: While the actuator offers precise positioning, the adjustment process is manual, which may require additional time and effort.
Conclusion:The Viega 40405-00 Powerhead Actuator is an excellent investment for those seeking a high-performance, energy-efficient, and durable actuator solution. Its quiet operation and easy installation make it an attractive choice for professionals and DIY enthusiasts alike. However, its higher upfront cost and limited compatibility may be a concern for some. Ultimately, the decision to purchase this actuator depends on your specific requirements and budget.
Recommendation:If you're looking for a reliable and efficient actuator for your Viega heating and cooling system, the 40405-00 Powerhead Actuator is an excellent choice. Its high-performance, energy efficiency, and durable design make it a worthwhile investment for both professionals and DIY enthusiasts. However, if budget is a concern or you need compatibility with other brands, you may want to explore alternative options.
Details:
Larger items are shipped in original box without over boxing. This is an open box item. It is new and never used. They may have cosmetic wear from handling so please look at the pictures.
Does not include any other parts or accessories. Some of the packaging may be missing. Please look at all of the pictures and read .
specifications maxohvac:
- brand: Viega
- mpn: 40405-00
- type: Powerhead Actuator
payments maxohvac:
- wallet: paypal
- credit card: mastercard
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 99.5%
- # reviews: 4720
- city: chillicothe, missouri
offer maxohvac:
- started: december 16, 2025
- best offers: true
- availability: in stock
- sold #: 12
- options: ship-to-home
- in stock #: 1
- price: $44.89
- item condition: New – Open box
returns maxohvac:
- time: 30 days
- policy: returns accepted
- method: money back
- paid by: seller
shipping maxohvac:
- service: standard
- transit: 10-10 days
- class: standard
- type: fixed
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