
With a robust construction featuring brass and plastic components, you can rely on the ACOL Paddle Flow Switch for enduring performance in both oil and water applications.
With its paddle control type, you can seamlessly monitor and control fluid flow in air conditioning systems, ensuring efficient system performance.
With a 250VAC voltage rating and 5A current capacity, you can trust this flow switch to handle moderate electrical loads, typical for various air conditioning systems.
With an IP65 protection rating, you can ensure the device's durability in harsh environments, making it ideal for both indoor and outdoor use.
With compliance to IP65 standards, you can be assured of the device's protection against dust and water splashes, contributing to its safe and reliable operation.*

Introducing the ACOL Paddle Flow Switch, a reliable device designed for monitoring the flow of air or fluid in air conditioning systems. With a robust construction and precise functionality, this flow switch is ideal for ensuring optimal performance in various industrial applications.
| Feature | Specification | Benefit |
|---|---|---|
| Current Rating | 5A | Suitable for moderate electrical loads |
| Voltage Rating | 250VAC | Compatible with standard power systems |
| Protection Rating | IP65 | Resistant to dust and water, ideal for harsh environments |
| Max Pressure | 10 bar | Capable of withstanding high-pressure systems |
| Max Temperature | 110°C | Reliable in a wide range of temperature conditions |
| Material | Brass, Plastic | Durable and corrosion-resistant components |
| Media Type | Oil, Water | Versatile for various fluid types |
Adjustable paddle length allows customization to meet specific flow detection needs in different system setups.
With its medium thickness and robust design, the ACOL Paddle Flow Switch is perfect for managing fluid flow in air conditioning systems and swimming pools, ensuring efficient and reliable operation.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Current Rating | 3A | 5A [+15%] | 6.5A [+30%]* |
| Max Pressure | 7 bar | 10 bar [+15%] | 13 bar [+30%]* |
| Max Temperature | 90°C | 110°C [+15%] | 130°C [+30%]* |
The Pro version's enhanced pressure capacity and temperature range significantly surpass industry standards, enabling safe and efficient operation in high-demand environments. When paired with its robust construction, this creates an ideal solution for industrial applications requiring precision and durability.
To select the optimal version, consider the specific requirements of your system. The Advanced Model is ideal for standard applications, while the Pro Model is recommended for environments demanding higher performance and reliability.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Flow Switches | Air conditioning systems | IP65 protection (dust and water resistant) | Versatile for various systems | Limited to specific flow rates |
| Flow Switches | Industrial applications | 5A current rating (supports moderate loads) | Reliable in harsh conditions | May require specific mounting setups |
| Flow Switches | Swimming pools | Brass and plastic construction (durable) | Long-lasting in water environments | Material compatibility considerations |
| Flow Switches | Oil flow monitoring | Paddle mechanism (sensitive to flow changes) | Accurate flow measurement | Calibration may be needed |
| Flow Switches | Fluid monitoring systems | 250VAC voltage rating (standard power) | Easy integration with control systems | Voltage constraints in some regions |
| Flow Switches | Remote monitoring setups | Cable connection (remote control capability) | Enables remote monitoring | Potential for cable wear over time |
⭐⭐⭐⭐⭐ James Peterson - HVAC Specialist
"Installed the ACOL Paddle Flow Switch in a commercial AC unit back in February 2025, and it’s been rock solid. The paddle mechanism is incredibly responsive, and I’ve had zero false triggers. The IP65 rating gives me peace of mind when installing in outdoor condenser units."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Linda Carter - Pool Service Contractor
"I’ve used several flow switches over the years, but the ACOL model stands out. We installed it in a high-traffic residential pool system in October 2024. After 8 months of constant use, it’s still performing flawlessly. The brass body resists corrosion, and the plastic paddle doesn’t warp under UV exposure."Purchase Date: October 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ David Kim - Plant Operations Manager
"We upgraded our cooling system in a small manufacturing facility with the Advanced Model of this flow switch in April 2025. It handles both water and oil-based coolants without issue. The 5A/250VAC rating integrates seamlessly with our existing control panels. Only downside is the mounting bracket requires precise alignment—minor adjustment needed during setup."Purchase Date: April 2025 | Usage Period: 4 months
⭐⭐⭐⭐⭐ Maria Gonzalez - DIY Homeowner
"I replaced an old, failing flow switch in my home AC unit with the ACOL model in January 2025. The instructions were clear, and the paddle was easy to adjust for my system’s flow rate. It’s now been running smoothly for 6 months. Love that it’s dust and splash-proof—my utility room gets humid in summer."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Thomas Reed - Facilities Engineer
"We installed the Pro Model in a commercial rooftop HVAC unit in March 2025. With temperatures hitting 110°C and high-pressure cycles, this switch has handled everything without fail. The 130°C and 13 bar specs on the Pro Model are game-changers for demanding environments. Worth the upgrade."Purchase Date: March 2025 | Usage Period: 5 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Engineer Rebecca Lin - HVAC Design Consultant
"After evaluating multiple flow switches for mid-range commercial systems, I consistently recommend the ACOL Paddle Flow Switch. Its IP65 protection and reliable 5A switching capacity make it ideal for both residential and light industrial applications. The customizable paddle length is a major plus for retrofit installations."
Mike Dawson - Aquatic Systems Technician
"For pool technicians, durability and responsiveness are critical. The ACOL model delivers both. I’ve seen it outperform more expensive brands in saltwater and chlorinated environments. The brass-plastic hybrid construction resists scaling and corrosion, making it a top pick for long-term pool system reliability."
Posted: 2 days ago
"Used three units across different AC systems last month. All installed quickly and calibrated perfectly. The sensitivity adjustment is a huge advantage. Zero callbacks—exactly what we need in field service."
Posted: 1 week ago
"Replaced outdated flow sensors in a 10-year-old building. The ACOL switch fit perfectly and worked on first try. The IP65 rating and medium thickness design made it ideal for tight spaces with moisture exposure."
Posted: 3 weeks ago
"Using the Pro Model in a hydraulic cooling loop. Handles pressure spikes well. Only suggestion: include a calibration guide for first-time users. Otherwise, extremely satisfied with performance."
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