Schneider Electric (Square D) 9037HG39 Float Switch NEMA 1 90° Offset

The Schneider Electric (Square D) 9037HG39 Float Switch operates as a mechanical sensor for HVAC system liquid level monitoring which controls electrical circuit activation through float position detection. The float moves up and down with liquid changes and activates an internal switch when it reaches a specific height. The model comes with NEMA 1 protection and a 90-degree offset which provides both safety features and diverse installation possibilities. The system operates as an overflow prevention mechanism in condensate pans of air conditioning units and humidifiers. The system offers dependable water level detection which stops a flooding and maintains HVAC functionality. To maintains reliability through its solid construction together with basic mechanical functionality that delivers dependable results.