1 Pack Solenoid Tester, Rotation Tester and AC Detector, Circulation Pump Rotation for Heating System Inspection, Magnetic Field/Direction Diagnostic Device for Plumber Inspections
【Circulation pump rotation tester for seasonal heating checks】Quickly verifies pump functionality at the start of the heating season, helping plumbers and contractors detect blockages or mechanical issues after months of inactivity, saving time and improving maintenance accuracy.
【Air conditioning detector with magnetic and electronic modes】Tests both circulation pumps and oil burner solenoid valves in heating and cooling systems, offering a for general tool for varied HVAC applications with clear visual for rapid diagnostics.
【Clear indication of rotation direction and magnetic field】Built-in light or magnetic detection shows pump rotation instantly; red and white screws turn with the pump, allowing intuitive confirmation of performance without dismantling complex assemblies.
【Compact ABS and magnet construction for portability】Lightweight design fits effortlessly in a pocket or on a keychain; robust ABS casing and reliable magnet make it long lasting for repeated field inspections in tight or remote spaces.
【Simple four step operation for solenoid valve sets】Manual process guided by audible and tactile cues helps forestall valve sticking; suitable for professionals working with seasonal heating systems who need dependable on-site verification. Report an issue
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