
29609 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $84.99 | Condition is New – Open box, Gems FS550 29609 1 inch MNPT Paddle Switch, FREE SHIPPING | ![]() |
![]() | $149.00 | Condition is New – Open box, GEMS Flow Switch Paddle Type, FS-550 Series P/N 29609 Transamerica Delaval, shipping cost = $13.65 | 100.0% |
![]() | $275.00 | Condition is New – Open box, GEMS 29609 50-240VAC NSMP, FREE SHIPPING | 99.9% |
![]() | $285.00 | Top Pick! Condition is New – Open box, NEW GEMS SENSORS 29609 FLOW SWITCH, shipping cost = $15.79 | 100.0% |
![]() | $300.00 | Top Pick! Condition is New – Open box, GEMS SENSORS FS-550, 29609 Liquid Flow Switch,Paddle,SPDT,20VA 1AKZ4 I422, FREE SHIPPING | 100.0% |
![]() | $299.00 | Top Pick! Condition is New – Open box, GEMS SENSORS 29609 / 29609 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $345.00 | Condition is New – Open box, GEMS,29609,FLOW SWITCH PADDLE TYPE 20 VA 50 TO 240 VAC, shipping cost = $19.96 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $88.77 | Condition is Used, GEMS 29609 Flow Switch FS-550, FREE SHIPPING | 99.9% |
![]() | $89.00 | Condition is Used, GEMS SENSORS 29609 FS-550 240VAC UNMP, FREE SHIPPING | 99.9% |
![]() | $105.00 | Condition is Used, GEMS 29609 FLOW SWITCH PADDLE TYPE, FREE SHIPPING | 100.0% |
![]() | $162.02 | Condition is Used, Gems FS-550 Pilot Duty Flow Switch 29609, FREE SHIPPING | ![]() |
![]() | $171.47 | Top Pick! Condition is Used, GEMS Flow Sensor 29609, shipping cost = $16.99 | 99.9% |
![]() | $189.05 | Top Pick! Condition is Used, GEMS FS-550 / 29609 Flow Switch, FREE SHIPPING | ![]() |
![]() | $198.99 | Condition is Used, Gems Sensors Fs-550, 29609 1" Mnpt Spdt Liquid Flow Switch 24V-240V, shipping cost = $4.99 | 99.8% |
![]() | $269.10 | Condition is Used, GEMS SENSORS 29609 / 29609 (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $250.00 | Condition is New, NOS Gems Sensors FS-550, 29609 1" NPT, SPDT Liquid Flow Switch, shipping cost = $20.95 | ![]() |
![]() | $299.00 | Condition is New, Gems Sensors Fs-550, 29609 1" Mnpt Spdt Liquid Flow Switch 24V-240V Ac/Dc 15 To, shipping cost = $11.00 | 100.0% |
![]() | $336.99 | Top Pick! Condition is New, Gems Sensors Fs-550, 29609 1" Mnpt Spdt Liquid Flow Switch 24V-240V Ac/Dc 15 To, FREE SHIPPING | ![]() |
![]() | $382.35 | Condition is New, Gems 29609 FS-550 Flow Switch 50-240v-ac, FREE SHIPPING | ![]() |
![]() | $446.05 | Condition is New, GEMS SENSORS FS-550, 29609 Liquid Flow Switch,Paddle,SPDT,20VA 1AKZ4, FREE SHIPPING | ![]() |
![]() | $563.65 | Condition is New, 1PC GEMS SENSORS, INC. 29609 Switch, Flow, FS-550 Series, 15-52GPM, 138BAR,, shipping cost = $10.99 | 99.4% |
![]() | $636.46 | Condition is New, 29609 Gems Sensors & Controls Switches, FS-550 Series FS-550 Series - High, FREE SHIPPING | 99.6% |

The Gems Sensors 29609 and 29606 flow switches are versatile and reliable liquid level sensing solutions designed for various industrial applications. These flow switches are available in two different models, each with its unique features to cater to different flow conditions and requirements.
Model 29609: This flow switch features a unique design with a vertical sensing element. It is specifically designed for applications where the liquid level fluctuates rapidly or where the liquid level is not constant. The sensor element is located above the impeller, making it ideal for use in open channels, sumps, or vessels with turbulent flow. The 29609 model can detect levels as low as 1 inch (25 mm) and comes with an adjustable deadband feature for fine-tuning the sensing range.
Model 29606: This flow switch, on the other hand, is designed for applications with steady and uniform flow. It has a horizontal sensing element that is placed in the flow stream, enabling it to accurately detect liquid levels. The 29606 model is suitable for use in closed pipes, sump pits, and other applications where the liquid level is relatively stable. This model can detect levels as low as 3 inches (75 mm) and comes with a built-in temperature compensation feature, ensuring accurate sensing even in varying temperature conditions.
Both models are constructed using high-quality materials, including high-impact, UV-resistant plastic housings and stainless steel sensor elements. They are also designed with a wide operating temperature range, from -40 F to 212 F (-40 C to 100 C), making them suitable for use in various industrial environments. The sensors provide a reliable and consistent output signal, which can be used to activate alarms, control pumps, or regulate processes.
In summary, the Gems Sensors 29609 and 29606 flow switches are robust and versatile sensors ideal for various industrial applications. The 29609 model's vertical sensing element makes it suitable for applications with rapidly changing liquid levels, while the 29606 model's horizontal sensing element is ideal for applications with steady and uniform flow. Both models offer high accuracy, durability, and reliability, ensuring consistent and efficient operation in a wide range of industrial settings.
The Gems Sensors 29609 and 29606 flow switches are non-contact ultrasonic sensors designed for detecting the flow of liquids. Here are some pros and cons that may help you decide whether to purchase these sensors:
Pros:1. Non-contact design: The sensors do not come into direct contact with the liquid being measured, reducing the risk of wear and tear and contamination.
2. Wide measurement range: The sensors can detect flows ranging from 0.1 to 5 meters per second (m/s), making them suitable for various applications.
3. Compact size: The sensors are relatively small in size, making them easy to install in confined spaces.
4. High accuracy: The sensors offer high accuracy, making them suitable for applications that require precise flow measurement.
5. Versatile: The sensors can be used to measure various types of liquids, including water, glycols, and oils.
Cons:1. Sensitivity to solid objects: The sensors can be affected by solid objects in the flow stream, causing false readings.
2. Installation requirements: The sensors require a clean, flat surface for installation and may require additional components such as transducers and cables.
3. Cost: The sensors are more expensive than some other types of flow sensors.
4. Complex installation: The sensors may require more complex installation procedures compared to other types of flow sensors.
In conclusion, the Gems Sensors 29609 and 29606 flow switches offer high accuracy, wide measurement range, and non-contact design, making them suitable for various applications where precise flow measurement is required. However, they may require complex installation procedures and are more expensive than some other types of flow sensors.
If you are looking for a cost-effective solution for flow measurement, you may want to consider other types of flow sensors such as positive displacement sensors or turbine flow meters. However, if you require high accuracy and non-contact flow measurement, the Gems Sensors 29609 and 29606 flow switches may be the best choice for you. Ultimately, the decision to purchase these sensors depends on your specific application requirements and budget.
Details:
New Gems Sensors 29606 flow switch, 939 Rb.
specifications indusswitch:
- brand: Gems Sensors
- mpn: 29609
- part type: Flow Switch
- fuse type: Switch
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories
payments indusswitch:
- wallet: google-pay
- credit card: discover
- other
returns indusswitch:
- policy: returns accepted
- time: 60 days
- method: money back
- paid by: seller
shipping indusswitch:
- transit: 3-5 days
- type: calculated
- class: standard, one-day
- service: ups ground, ups next day air, fedex priority overnight
- carrier: ups, fedex
seller indusswitch:
- rating: 100.0%
- city: yale, michigan
- # reviews: 24996
offer indusswitch:
- in stock #: 5
- options: ship-to-home
- sold #: 10
- availability: in stock
- prices: $84.99–$636.46
- item condition:
- New – Open box
- Used
- New
- started: november 30, 2025
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