Description
The Schneider Electric (Square D) 9037HG31 is a 2-1/2″ threaded float switch engineered for dependable liquid level detection and control in HVAC, hydronic, boiler, and industrial fluid management applications. Built to the exacting quality standards of the Square D brand, this float switch provides accurate, automatic switching action based on liquid level changes — helping protect equipment from dry-run conditions, overflow, and flooding.
Key Features
- 2-1/2″ threaded connection for straightforward installation into tanks, vessels, and piping systems
- Reliable float-actuated switching mechanism for automatic liquid level control
- Rugged construction designed for long-term performance in demanding HVAC and industrial environments
- Suitable for use in boiler feed, condensate, sump, and cooling tower liquid level monitoring applications
- Manufactured by Schneider Electric under the trusted Square D brand
Typical Applications
- Boiler and hydronic system water level control
- Condensate tank and sump pump level monitoring
- Cooling tower basin level detection
- Industrial fluid storage tank level switching
- Pump protection against low-water or dry-run conditions
Product Details
- Brand: Schneider Electric (Square D)
- Model / SKU: 9037HG31
- Connection Size: 2-1/2″ Threaded
- Type: Float Switch
Trust Schneider Electric’s Square D 9037HG31 threaded float switch to deliver the level control reliability your system demands. Order from Jackson Systems for fast shipping and expert support.







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