Schneider Electric (Square D) 9037HG31 2-1/2" Threaded Float Switch

The Schneider Electric (Square D) 9037HG31 Float Switch operates as a liquid level control system inside closed tanks. The part operates through a 2-1/2" threaded float that monitors liquid levels to activate and deactivate electrical circuits according to level changes. It supports HVAC systems by managing condensate levels to avoid system damage from overflow. This part provides reliable operation together with automatic level control while protecting equipment from overfilling and running dry conditions and offers easy installation. The switch operates to remove condensate effectively which helps maintain proper HVAC machine operation and longevity.