Lochinvar & A.O. Smith 100208463 Tester Assembly 321142-301 This HVAC replacement part features

This HVAC replacement part features a robust round can design with axial lead terminals

OEM Compatibility: Specifically engineered for a precise match with Weil-McLain Ultra and GV90+ gas-fired boilers

Is this trap suitable for superheated steam

which may prevent the switch from closing

For systems requiring auxiliary or emergency heat (multi-stage)

Lochinvar & A.O. Smith 100208463 Tester Assembly 321142-301 This HVAC replacement part featuresThe 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