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The Lennox 71W43 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial furnace assemblies
requiring a replacement to restore safe operation
Easy Retrofit: Standard 1/4" barbed fitting and quick-disconnect terminals allow for rapid field installation and reduced downtime
open-frame design that integrates easily into standard junction boxes or existing control panels
Supco Q103 Sequencer 319825-402 The Lennox 71W43 Limit SwitchWhen you're out in the field dealing with electric furnace staging or heat pump auxiliary heat cycles, the Supco Q103 Sequencer is a reliable, professional grade solution for managing HVAC heating elements and blower motors. This 24V control circuit device is the direct replacement for 1056789, as well as several Carrier, Goodman, and White Rodgers components. Engineered with a DPST configuration, it features a timed heater sequencer mechanism that
