Description
The Schneider Electric (Square D) 9037HG37 is a heavy-duty 2-pole float switch engineered for dependable liquid level detection and control in HVAC, hydronic, boiler, and industrial fluid management applications. Designed to close its contacts on a rise in liquid level, this switch provides automatic protection and process control by activating connected equipment — such as pumps, alarms, or solenoid valves — when a predetermined fluid level is reached.
As part of Square D’s trusted 9037 series, the 9037HG37 is built to deliver long service life and consistent switching performance in demanding environments. Its rugged construction makes it suitable for use with water, condensate, and other compatible fluids found in commercial and industrial HVAC systems.
Key Features
- 2-pole switching configuration for versatile circuit control
- Close on rise action — contacts close as liquid level increases
- Designed for automatic liquid level monitoring and control
- Suitable for pumps, alarms, solenoid valves, and other level-activated equipment
- Part of the Square D 9037 series — a proven, industry-trusted float switch line
- Rugged construction for reliable performance in HVAC, hydronic, and industrial applications
Typical Applications
- Boiler and hydronic system water level control
- Condensate sump and pump control
- Cooling tower basin level monitoring
- Industrial fluid tank level management
- Pump start/stop automation based on liquid level
Product Specifications
- Brand: Schneider Electric (Square D)
- Model / SKU: 9037HG37
- Switch Type: Float Switch
- Poles: 2-Pole
- Action: Close on Rise
- Series: Square D 9037
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