AC Coil Detector | AC Circulation Pump Rotation Tester,Heavy-Duty Key Ring Detection for Home Commercial Equipment Industrial Maintenance Appliance Diagnostics Refrigeration Automotive Repair

• Seasonal Maintenance Must-Have: Check pump conditions prior to winter, while detecting blockages post-idle, to ensure a seamless heating system startup with this practical solenoid tester tool
• Clear Diagnostic Indicators: Featuring a quick pump performance check, the tester utilizes a clear indicator system to display magnetic fields accurately and reveal pump rotation at once, ensuring precise and straightforward analysis
• Multiple Used: Evaluates heating circulation pumps, inspects oil burners efficiently across various heating systems, and assures trusty performance in every use case for multi-purpose application
• Compact Tester: This solenoid tester is portable and handy for quick checks, sized like a key ring for easy carry, making it a must-have tool for plumbers who value convenience and efficiency in their daily tasks
• Convenient to Use: The solenoid tester features red-white screw rotation for effortless use, enabling easy visual direction checks and easy pump rotation viewing to improve user experience without complexity

This solenoid tester is designed for both home and commercial equipment diagnostics, featuring high-precision performance in testing electrical circuits. Key Ring design ensures portability, while the heavy-duty build supports use in automotive repair, refrigeration systems, industrial maintenance, and appliance troubleshooting, a reliable tool for all testing needs. Product Attributes Name: Coil Tester Product size: about 6x1.9x1cm/2.36x0.75x0.39 inches Material: ABS Product List Coil Tester x1 Notes: 1. Due to the lighting effects and photographing angles, the product has a color difference; please understand. 2. Due to manual measurement, there is a tolerance in the product size.