Description
The Schneider Electric (Square D) 9038DG11S1 is a heavy-duty float switch engineered for precise liquid level control in Weil pump applications. Part of Square D’s trusted 9038 series, this float switch is built to handle the demanding requirements of sump, sewage, and general-purpose pump control systems found in commercial and industrial HVAC and hydronic installations.
Product Overview
The 9038DG11S1 float switch automatically starts and stops pump operation based on liquid level, providing hands-free, reliable protection against overflow and dry-run conditions. Square D’s 9038 series has a long-standing reputation for rugged construction and dependable switching performance in wet and harsh environments.
Key Features
- Designed for use with Weil pump systems
- Automatic liquid level sensing for pump start/stop control
- Heavy-duty float switch construction for long service life
- Part of Schneider Electric’s (Square D) reliable 9038 series
- Suitable for sump, sewage, and general liquid level pump control applications
- Engineered for commercial and industrial HVAC and hydronic system use
Applications
- Weil pump liquid level control
- Sump pump automation
- Sewage and wastewater pump systems
- Commercial HVAC condensate and hydronic pump control
- Industrial liquid level management
Why Choose Square D 9038 Series
Schneider Electric’s Square D brand is a globally recognized leader in electrical control and automation. The 9038 series float switches are designed for maximum reliability, minimal maintenance, and long operational life — making them a go-to choice for HVAC professionals and mechanical contractors who demand consistent performance in liquid level control applications.







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