Anti-Clog Design: The sealed spring chamber protects the internal mechanism from scale and mineral buildup

allows for quick soldering

ensuring all tappings for gauge glass and tri-cocks align perfectly

Built for the rigors of industrial HVACR environments

If you observe flame rollout

Lochinvar & A.O. Smith 100208463 Tester Assembly 322027-701 Anti-Clog Design: The sealed springThe Lochinvar & A. O. Smith 100208463 Tester Assembly is a critical diagnostic tool designed for service technicians to accurately evaluate variable speed fan motors in high efficiency Lochinvar heating systems and A. O. Smith air handling units. This OEM fan tester allows for rapid HVAC troubleshooting by isolating the blower motor from the control module, helping to determine if a performance issue stems from the motor's internal electronics or the