
34207438 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $23.46 | Condition is New – Open box, Asco 34207438 3/4" Ap Unit Regulator FNOB, shipping cost = $19.60 | 99.8% |

The ASCO 34207438 3/4 AP Unit Regulator FNOB is a crucial component in various water and fire protection systems. This regulator is designed to maintain a constant flow rate in the system, ensuring optimal system performance and reliability.
The regulator is constructed of durable brass material, which offers excellent resistance to corrosion and wear. The brass body is also painted with a protective epoxy coating, which provides an additional layer of protection against harsh environmental conditions. The regulator's compact size makes it suitable for installation in confined spaces.
The ASCO 34207438 3/4 AP Unit Regulator FNOB features a diaphragm-operated design, which allows for precise flow control. The regulator comes with a factory-set flow rate of 6 GPM (gallons per minute), but it can be easily adjusted to meet specific system requirements. The flow rate can be adjusted using the regulator's handwheel, which is conveniently located on the top of the unit.
The regulator also includes a non-return valve, which prevents backflow in the system. This feature is essential in preventing contaminated water from entering the potable water supply. The regulator's inlet and outlet connections are threaded, making it compatible with standard plumbing systems.
The ASCO 34207438 3/4 AP Unit Regulator FNOB is designed to meet the strict standards of the American Society of Mechanical Engineers (ASME) and the American Water Works Association (AWWA). It is also UL-listed, ensuring that it meets the safety and performance requirements set by Underwriters Laboratories.
In conclusion, the ASCO 34207438 3/4 AP Unit Regulator FNOB is a high-performance, durable, and reliable component that is essential in various water and fire protection systems. Its compact size, easy adjustability, and corrosion-resistant construction make it an ideal choice for a range of applications. With its factory-set flow rate, non-return valve, and compliance with industry standards, this regulator is a must-have for plumbers, engineers, and system designers.
The ASCO 34207438 3/4 AP Unit Regulator FNOB is a hydronic balancing valve designed for use in HVAC systems to maintain optimal water flow and temperature distribution. Here are some potential pros and cons of purchasing this valve:
Pros:1. Precise Flow Control: The ASCO 34207438 is known for its precise flow control, ensuring even temperature distribution and energy efficiency in HVAC systems.
2. Durable Construction: The valve is made of brass and stainless steel, making it resistant to corrosion and suitable for long-term use in various water conditions.
3. Easy Installation: The valve comes with a factory-installed actuator and is easy to install, saving time and effort during the installation process.
4. Adjustable: The valve offers adjustable flow rates, allowing users to fine-tune their HVAC system for optimal performance.
5. Leak-Free Design: The valve features a leak-free design, which minimizes the risk of water damage and potential system failures.
Cons:1. Cost: The ASCO 34207438 may be more expensive compared to other balancing valves in the market, which could be a barrier for some buyers.
2. Complexity: The valve's precision and adjustability may make it more complex to install and maintain than simpler valve models.
3. Limited Size Options: The valve is only available in a 3/4-inch size, which may not be suitable for all HVAC systems.
In conclusion, the ASCO 34207438 3/4 AP Unit Regulator FNOB offers precise flow control, durability, and ease of installation, but it may come with a higher price tag and limited size options. If you prioritize precise temperature control and energy efficiency in your HVAC system, this valve may be a worthwhile investment. However, if you have a smaller budget or require a different valve size, you may want to consider other options. Ultimately, the decision to purchase the ASCO 34207438 depends on your specific HVAC system requirements and budget constraints.
Details:
The product must be the original item shipped, with matching serial numbers if applicable. Special instructions. Asco 34207438 3/4 ap unit regulator manufactured by Asco. Most items are in stock when they listed.
Asco 34207438 3/4 ap unit regulator. The item has its original packaging but it is not sealed. Manufacturer part number: 34207438. 2-year MRI shield protection plan included.
A new, unused item with no signs of wear.
specifications indusswitch:
- brand: Asco
- mpn: 34207438
- part type: Regulator
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
returns indusswitch:
- time: 30 days
- paid by: buyer
- policy: returns accepted
- method: money back
seller indusswitch:
- # reviews: 24247
- city: mount sterling, kentucky
- rating: 99.8%
shipping indusswitch:
- service: usps ground advantage, usps priority mail, ups ground, ups next day air
- class: standard, expedited, one-day
- carrier: usps, ups
- type: calculated
- transit: 6-12 days
payments indusswitch:
- wallet: paypal
- credit card: visa
- other
offer indusswitch:
- price: $23.46
- item condition: New – Open box
- best offers: true
- options: ship-to-home
- started: april 19, 2026
- availability: in stock
- in stock #: 1
- sold #: 8
