
V4-SS-2-U Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $278.73 | Condition is New, DWYER V4SS2U-V FLOW SWITCH FOR HAZARDOUS LOCATIONS 10A 125-250VAC *NEW NO BOX*, shipping cost = $14.43 | 100.0% |
![]() | $500.00 | Top Pick! Condition is New, Dwyer / W.E. Anderson FLOTECT V4-SS-2-D-U Flow Switch, 125/250 VAC, NEW, FREE SHIPPING | 99.7% |
![]() | $683.78 | Top Pick! Condition is New, DWYER Flotect Flow Switch Brass 25F473, FREE SHIPPING | ![]() |
![]() | $1012.00 | Condition is New, DWYER V4-SS-2-U-AT / V4SS2UAT (BRAND NEW), shipping cost = $12.90 | 97.9% |
![]() | $1032.00 | Top Pick! Condition is New, DWYER V4-SS-2-U / V4SS2U (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $1065.06 | Condition is New, DWYER V4-SS-2-U-V / V4SS2UV (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $1133.08 | Condition is New, Dwyer V4-SS-2-U-AT - Vane Operated Flow Switch, 316Ss Body, ATEX Compliant,, FREE SHIPPING | 99.8% |
![]() | $1143.99 | Condition is New, Dwyer Instruments V4-Ss-2-U Low Flow Switch, FREE SHIPPING | 99.8% |
![]() | $1166.95 | Condition is New, Dwyer V4-SS-2-U W.E. Anderson Flotect Flow Switch, Universal Vane, 316SS Body, FREE SHIPPING | 99.6% |
![]() | $1185.07 | Condition is New, DWYER V4-SS-2-U / V4SS2U (BRAND NEW), shipping cost = $36.68 | 99.2% |
![]() | $1565.95 | Condition is New, DWYER V4-SS-2-U Liquid Flow Switch,SPDT,125/250VAC 55EH43, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $600.00 | Condition is New – Open box, Dwyer W.E.Anderson V4-SS-2-U Flotect Flow Switch V4SS2U MWP 139790, FREE SHIPPING | 100.0% |
![]() | $712.12 | Condition is New – Open box, DWYER W.E Anderson FLOTECH V4-SS-2-U Vane Operated Flow Switch 10AMP 125/250VAC, FREE SHIPPING | 99.1% |
![]() | $831.59 | Condition is New – Open box, DWYER V4-SS-2-U W.E. ANDERSON SERIES V4 FLOTECT FLOW SWITCH , FREE SHIPPING | 100.0% |
![]() | $875.00 | Top Pick! Condition is New – Open box, DWYER LIQUID FLOW SWITCH: PADDLE 3 1/2 IN PIPE THREAD 1 1/2", SS MODEL V4-SS-2-U, shipping cost = $35.95 | 98.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $104.30 | Condition is Used, Dwyer Flotec Anderson V4SS2U-V 16A 125/250VAC Universal Vane Flow Switch Tested!, shipping cost = $28.19 | 99.6% |
![]() | $635.00 | Condition is Used, Dwyer V4-SS-2-U-D-TRI-316 W.E Anderson Flotect Vane Operated Flow Switch, shipping cost = $40.60 | ![]() |
![]() | $735.37 | Condition is Used, DWYER V4-SS-2-U / V4SS2U (USED), shipping cost = $12.90 | 99.7% |

The Dwyer V4-SS-2-U Vortex Flowmeter is a versatile and reliable instrument designed for measuring the flow rate of liquids or gases in various industries. This vortex flowmeter from Dwyer Instruments is part of their Model V4 series and is specifically designed for use with rectangular or square ducts or pipes.
The V4-SS-2-U flowmeter operates on the principle of vortex shedding, which occurs when a fluid flows through a restriction in the flow path. As the fluid passes through the sensor, the restriction causes the flow to separate and form vortices. These vortices create a distinct pressure pulse that is measured by the flowmeter and used to calculate the flow rate.
This particular model, the V4-SS-2-U, is constructed from 316L stainless steel, making it an excellent choice for applications in harsh environments or where corrosion resistance is a concern. The sensor housing is available in two sizes: 2-inch by 2-inch and 3-inch by 3-inch. The flowmeter can handle flow rates ranging from 0.5 to 150 feet per second (0.15 to 45.72 meters per second), making it suitable for a wide range of applications.
The V4-SS-2-U comes with a number of features to improve its accuracy and ease of use. It has a built-in temperature compensation algorithm, which allows it to correct for the effects of temperature on the flow measurement. The flowmeter also has a self-diagnostic function that checks for common fault conditions and displays an error code if a problem is detected.
The flowmeter is easy to install and calibrate, with a simple two-wire connection and no external power supply required. It can be connected to a variety of recording devices, including data loggers, recorders, and controllers, for remote monitoring and data recording.
The V4-SS-2-U vortex flowmeter from Dwyer Instruments is an excellent choice for applications in industries such as water and wastewater treatment, oil and gas production, HVAC, and food and beverage processing. Its rugged construction, wide flow range, and advanced features make it a reliable and accurate instrument for measuring flow rates in a variety of applications.
Dwyer V4-SS-2-U Vortex Tankless Water Heater: Pros, Cons, and Concluding Recommendation
The Dwyer V4-SS-2-U Vortex Tankless Water Heater is a popular choice for many homeowners due to its energy efficiency and compact design. However, like any other appliance, it comes with its advantages and disadvantages. In this analysis, we will discuss the pros and cons of purchasing a Dwyer V4-SS-2-U Vortex Tankless Water Heater, followed by a concluding recommendation.
Pros:1. Energy Efficiency: Tankless water heaters, including the Dwyer V4-SS-2-U, provide hot water on demand, reducing energy waste and saving you money on your utility bills.
2. Compact Design: The Vortex tankless water heater's small footprint makes it an excellent choice for those with limited space in their homes.
3. Long Lifespan: With proper maintenance, tankless water heaters, such as the Dwyer V4-SS-2-U, can last up to 20 years or more.
4. Endless Hot Water: Since the water is heated as it passes through the unit, you will never run out of hot water, unlike traditional tank-style water heaters.
5. Environmentally Friendly: Tankless water heaters are more eco-friendly as they do not store water and have a lower carbon footprint.
Cons:1. Upfront Cost: Tankless water heaters, including the Dwyer V4-SS-2-U, have a higher upfront cost compared to traditional tank-style water heaters.
2. Installation Complexity: Installing a tankless water heater requires professional expertise and specialized knowledge, which can add to the overall cost.
3. Limited Flow Rate: Depending on the model and usage, tankless water heaters may not be able to deliver the same flow rate as traditional tank-style water heaters, which could result in a reduced showerhead performance.
4. Potential for Temperature Fluctuations: Tankless water heaters may experience temperature fluctuations as they adjust to the water demand, which could be noticeable when using multiple appliances simultaneously.
5. Potential for Scaling: Hard water areas may experience scaling, which can reduce the efficiency of the tankless water heater and require regular maintenance.
Concluding Recommendation:If you have the financial means, the Dwyer V4-SS-2-U Vortex Tankless Water Heater is an excellent investment for those seeking energy efficiency, compact design, and endless hot water. However, it's essential to consider the potential upfront costs, installation complexity, and potential for temperature fluctuations and scaling before making a purchase. If you're uncertain about your home's suitability for a tankless water heater, consulting a professional plumber for advice is recommended. Ultimately, the Dwyer V4-SS-2-U Vortex Tankless Water Heater can be a worthwhile investment for those seeking long-term savings, environmentally friendly solutions, and a more efficient water heating system.
Details:
Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed.
specifications indusswitch:
- brand: Dwyer
- mpn: V4-ss-2-u
payments indusswitch:
- other
- credit card: visa
- wallet: google-pay
returns indusswitch:
- paid by: buyer
- time: 30 days
- method: money back
- policy: returns accepted
shipping indusswitch:
- type: fixed
- service: standard
- transit: 30-35 days
- class: standard
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
seller indusswitch:
- rating: 99.6%
- # reviews: 1982 23
- city: 1 millennium dr, willingboro, nj 08046
offer indusswitch:
- in stock #: 5
- options: ship-to-home
- started: april 6, 2026
- prices: $278.73–$1565.95
- item condition:
- New
- New – Open box
- Used
- sold #: 9
- availability: in stock
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