Hosrivae Circulation Pump Tester & Solenoid Valve Tool

The **Hosrivae Circulation Pump Rotation Tester** is a professional-grade diagnostic tool designed to streamline seasonal heating system inspections. Ideal for HVAC technicians, plumbers, and homeowners preparing for the heating season, this device quickly verifies circulation pump operation and detects blockages in systems that have been inactive for months. Its dual functionality also extends to testing oil burner solenoid valves, making it a versatile addition to any maintenance kit.

Featuring a clear **LED indicator**, the tester provides instant visual feedback on magnetic field presence and pump rotation direction—eliminating guesswork during diagnostics. The included red and white screws rotate with the pump shaft, offering a straightforward way to confirm rotation without complex tools. Compact yet durable, this tester attaches easily to keychains, ensuring it’s always within reach when you need it most. Whether you’re troubleshooting a residential heating system or conducting pre-season checks, this tool delivers reliability and convenience in one portable package.