Circulating Pump Rotation Tester - AC Detector For Heating Systems & Oil Burner Valves

HVAC technicians and plumbers, this little rotation tester is an absolute must-have for seasonal maintenance! At the start of heating season when pumps have been sitting idle, this tool lets you quickly check if circulation pumps are working properly and identify any blockages before they become bigger problems. The built-in indicator clearly shows magnetic fields and rotation direction so you get immediate feedback on pump performance. What's really cool is it also tests oil burner solenoid valves - talk about versatile! The red-white screw rotates in sync with the pump, giving you visual confirmation of rotation direction at a glance. It's small enough to hang on your keyring but powerful enough to handle serious diagnostic work. Perfect for checking pump operation in tight spaces where you can't easily see the impeller. The construction feels durable enough for daily professional use, and it's simple enough that even homeowners comfortable with basic maintenance can use it confidently. Whether you're servicing residential heating systems or commercial installations, having this tester in your pocket means you can diagnose pump issues quickly without guessing. It's one of those specialized tools that pays for itself the first time it helps you avoid a costly callback or prevents a system failure during cold weather.