Multifunction HVAC Pump and Coil Tester The multifunction tester is designed for fast, reliable field diagnostics of HVAC circulation systems. It accurately tests refrigeration and boiler circulation pumps as well as oilburner solenoid coils operating on both AC and DC power. Whether you need to verify components during installation, seasonal startup, or routine maintenance, this tool provides rapid insights without the need for disassembly. Key Benefits: Confirms pump rotation direction and coil actuation instantly, reducing troubleshooting time. Builtin magnetic field sensor detects pump operation and identifies blockages quickly. Works with both AC and DCpowered components for broad compatibility across HVAC systems. Saves time and prevents unnecessary dismantling during inspections. Features: Compact and portable design with lightweight plastic housing. Easy to carry on a keyring or clipped to a tool pouch for quick access at any jobsite. Durable construction suited for repeated professional use in demanding environments. Simple operation for fast results, ideal for technicians and maintenance engineers. Applications: 1. Seasonal startup checks after system shutdown, ensuring pumps are spinning correctly before operation begins. 2. Onsite troubleshooting in confined spaces where rapid confirmation of coil or pump status is critical. 3. System servicing for commercial buildings, allowing quick identification of magnetic field presence and pump blockages during maintenance calls. This tester combines convenience, accuracy, and versatility to make HVAC diagnostics faster and more efficient, helping professionals keep systems running smoothly with minimal downtime.