Harwil Q8DS Flow Switch [1" MPT] [25A] [w/Drag Strip] (Q8DS/A/10502)
| Heater Parts | |
| Harwil | |
| Q8DS-A-10502 | |
| 26-578-1000 |
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A flow switch helps confirm water movement before connected equipment is allowed to operate, and this Harwil Q8DS version is a 25 amp model with a 1 inch male pipe thread connection and drag strip using the Q8DS/A/10502 reference. Heavier-duty flow switches like this are useful where the application calls for stronger switching capability and dependable response in the water path.
This switch has practical value because the drag strip design and higher amp rating make it a more purpose-built control component than a lighter-duty alternative. A properly selected Harwil Q8DS switch helps support dependable flow sensing and contributes to more reliable equipment protection in compatible systems.
This type of part is especially useful when servicing heaters or related systems that depend on a higher-rated flow switch to maintain intended operating safeguards. That helps restore original control performance more directly and with less guesswork.
Installed in the proper application, this flow switch helps support cleaner flow verification and more dependable overall system control.
- Harwil Q8DS flow switch rated at 25 amps with 1 inch male pipe thread connection
- Includes drag strip for compatible flow-sensing applications
- Helps verify water movement before equipment operates
- Useful in higher-rated heater and control systems
- Improves service confidence and operational reliability
Harwil – Flow Switches, Sensors and Pool & Spa Control Components |
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Who is Harwil?
Harwil Corporation is a leading manufacturer of flow switches and control instrumentation used in water treatment, HVAC, and pool and spa systems. With over 65 years of experience, Harwil is known for precision-engineered components that help monitor and regulate water flow in critical applications. Their products are widely used to ensure safe and efficient operation of pumps, heaters, and filtration systems. What products does Harwil specialize in?Harwil specializes in flow switches, flow sensors, level switches, and control components. Their product lineup includes devices designed to detect water flow and trigger system responses, such as activating heaters or shutting down equipment to prevent damage. These components are essential for maintaining proper system operation and protecting equipment. Why choose Harwil parts for your pool or spa?Harwil products are known for accuracy, durability, and dependable performance in demanding environments. Their flow switches help ensure that equipment operates only when proper water flow is present, reducing the risk of overheating or system failure. Professionals choose Harwil for reliable control components that improve safety and extend equipment life. How do you identify and choose the correct Harwil part?To select the correct Harwil component, it’s important to match specifications such as flow rate, connection type, voltage, and system compatibility. Reviewing part numbers and installation requirements ensures proper fit and performance. Choosing the right flow switch helps maintain safe operation and efficient system performance. Need help finding the right Harwil part?At Bath & Spa Parts Online, we carry a wide selection of Harwil pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
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