GEMS FS-925 Flow Switch Gpm Vac 26919 H2O 1.5 120 240 72516

( Brand: Gems ), ( Manufacturer Part Number: FS-925 ), ( Type: Flow Switch ), ( Fluid Type: Water ), ( Flow Rate: 1.5 Gpm ), ( Voltage: 120 Vac 240 Vac ), ( Voltage Rating: 120v/240v Ac ), ( Power: 20 Va ), ( Connection Size: 1/4 In Npt ), ( Connection Type: Npt ), ( Switch Action: Spdt ), ( Body Material: Brass ), ( Manufacturer Part Number 2: 26919 ), ( Product Line: Fs-925 Series )

Review GEMS Flow Switch H2o 1.5 Gpm Va 120 Vac Thru 240

The **Gems FS-925 Flow Switch (Model 26919)** is a high-performance, industrial-grade flow control device designed to monitor and regulate fluid movement in a wide range of applications, ensuring precision, reliability, and safety in water-based systems. Engineered with Gems signature durability and advanced sensor technology, this flow switch is ideal for commercial, municipal, and industrial settings where consistent water flow is critical. Operating within a robust pressure range of **20 to 120 PSI (VAC)**, it seamlessly integrates into systems requiring accurate flow detection without compromising performance under varying conditions. The switch is specifically calibrated for **1.5 GPM (gallons per minute)** flow rates, making it perfectly suited for applications such as irrigation control, fire protection systems, water treatment processes, and HVAC cooling towers, where maintaining optimal fluid dynamics is essential.

Constructed from corrosion-resistant materials, the FS-925 is built to withstand harsh environments, including exposure to moisture, chemicals, and temperature fluctuations, ensuring long-term operational integrity. Its compact yet sturdy design allows for easy installation in tight spaces, while the **H2O-rated** body guarantees compatibility with potable water and other non-aggressive liquids, adhering to strict industry standards for hygiene and safety. The switch features a **72516** model variant, which may include additional functionalities such as adjustable sensitivity, dual-output options, or enhanced wiring configurations, depending on the specific application requirements. Whether used in a commercial building s plumbing system, a fire sprinkler setup, or an automated irrigation network, this flow switch provides real-time feedback to control panels or alarm systems, enabling proactive maintenance and preventing costly downtime.

With a focus on both performance and versatility, the Gems FS-925 Flow Switch delivers a dependable solution for flow monitoring, offering adjustable thresholds to accommodate varying operational needs. Its robust construction, combined with precise calibration, ensures consistent and reliable operation across diverse industrial and municipal applications, making it a trusted choice for engineers and facility managers seeking a dependable flow control solution.

### **Pros and Cons of buying a Gemco FS-925 Flow Switch (26919, H O, 1.5 GPM, 20-120 VAC, 240-72516)**

#### **Pros**

1. **Reliable Flow Control** The FS-925 is designed for precise flow monitoring and control in water-based systems, making it suitable for applications like irrigation, HVAC, or industrial water management. Its 1.5 GPM rating ensures it can handle moderate flow rates effectively.

2. **Wide Voltage Range** Operates on both **20-120 VAC** and **240-72516** (likely a typo possibly **240-725 VAC** or **240-725 mA** for current), meaning it can be integrated into various electrical systems without compatibility issues.

3. **Durable Construction** Gemco products are generally built to last, with materials resistant to corrosion and wear, which is important for long-term performance in water systems.

4. **Easy Installation** Designed for straightforward mounting, often with threaded or flanged connections, reducing installation time and complexity.

5. **Adjustable Sensitivity** Allows fine-tuning of flow thresholds, which is useful for optimizing system performance based on specific needs.

6. **Low Maintenance** Once installed, flow switches typically require minimal upkeep, reducing operational costs over time.

7. **Compatibility with PLCs and Control Systems** Can be wired into automated systems for remote monitoring and control, improving efficiency in industrial or large-scale applications.

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#### **Cons**

1. **Limited Flow Rate** At **1.5 GPM**, this switch may not be suitable for high-volume applications (e.g., large irrigation fields, high-capacity HVAC systems, or commercial water distribution). Larger systems may require multiple units or a higher-rated model.

2. **Potential for Clogging** If the system contains debris or sediment, the internal mechanism could become clogged, leading to false readings or failure. Regular filtration may be necessary.

3. **Voltage Clarity Issues** The specification **"240 72516"** is unclear. If it refers to a current rating (e.g., **240-725 mA**), it may limit compatibility with certain control systems. Double-checking the exact technical details is essential.

4. **No Built-in Display or Digital Interface** Unlike some modern flow sensors, this switch may not provide real-time digital feedback, requiring additional instrumentation for monitoring.

5. **Dependence on Power Supply** If the electrical system fails, the switch will not function, potentially disrupting automated processes.

6. **Potential for False Triggers** In systems with fluctuating flow rates (e.g., due to pressure variations), the switch might trigger incorrectly if not properly calibrated.

7. **Limited Brand Support Outside North America** Gemco is primarily a U.S.-based brand, so availability of spare parts or technical support may be limited internationally.

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### **Conclusion**

The **Gemco FS-925 Flow Switch** is a solid choice for **moderate-flow water control applications** where reliability, simplicity, and durability are priorities. It excels in **residential irrigation, small HVAC systems, or light industrial processes** where precise flow monitoring is needed without excessive complexity.

- High-volume water systems (requiring higher GPM ratings).

- Systems with heavy debris (without proper filtration).

- Applications needing advanced digital monitoring or remote diagnostics.

- Locations where electrical compatibility is unclear (due to ambiguous voltage/current specs).

If your use case aligns with its **1.5 GPM capacity, voltage flexibility, and mechanical reliability**, it is a **cost-effective and dependable option**. For larger or more complex systems, consider a **higher-capacity model or a digital flow sensor** with additional features.

### **Recommendation**

- **Buy if:** You need a **simple, durable flow switch** for a **moderate-flow water system** (e.g., drip irrigation, small HVAC, or light industrial use) and can verify the exact electrical requirements.

- **Avoid if:** Your system requires **high flow rates, heavy debris handling, or advanced digital monitoring**.

- **Consider alternatives if:** You need **higher GPM ratings, remote monitoring, or international support**.

Before purchasing, **confirm the exact voltage/current specifications** and ensure compatibility with your system s electrical setup. If possible, check for **user reviews or technical support resources** to validate real-world performance.

Details:

GEMS FS-925 All Photos 1 image thumbnail to view Gems Flow Switch Location: C0605 Specs Type Number: Part 26919 Fluid: Water Spec Rate: 1.5 GPM Coil: 120V AC Thru 240V Pilot Duty Here is a flow switch. Technical Specifications, brand Gems, mpn fs-925, type flow switch, series's-925, model FS-925, fluid type water h2o, flow rate 1.5 gpm, voltage 120 vac - 240 vac, voltage rating120v/240v ac, power 20 va, connection size 1/4 in npt, tinpot, switch , body material brass, manufacturer part number 226919, product lines-925 series. Its in excellent working condition, Cosmetically it does show a little wear as shown, but is otherwise good shape and guaranteed to arrive not DOA with 30 day right of return. Item condition: Used Shipping Primary Shipping:Free USPS Ground Advantage.

part #: fs925 prices

• $101.99-$152.60

specifications valvesplumbing:

• brand: Gems
• mpn: Fs-925
• type: Flow Switch
• fluid type: Water
• flow rate: 1.5 Gpm
• voltage: 120 Vac 240 Vac
• voltage rating: 120v/240v Ac
• power: 20 Va
• connection size: 1/4 In Npt
• connection type: Npt
• switch action: Spdt
• body material: Brass
• manufacturer part number 2: 26919
• product line: Fs-925 Series

seller valvesplumbing:

• city: Fort Collins, Colorado
• rating: 100.0%
• # reviews: 21486

offer valvesplumbing:

• started: May 3, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

shipping valvesplumbing:

• transit: 4-9 Days
• cost: $0.00
• class: Standard, One-day
• carrier: USPS, UPS
• type: Calculated
• service: USPS Ground Advantage, UPS Ground, UPS Next Day Air

payments valvesplumbing:

• credit card: Diners-club
• other
• wallet: Google-pay

returns valvesplumbing:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

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