Description
The Schneider Electric (Square D) 9037HG33R is a 2-1/2″ right angle (R.A.) float switch engineered for dependable liquid level detection and control in a wide range of HVAC, hydronic, and industrial applications. Built to the exacting standards of the Square D brand, this float switch delivers consistent performance in demanding environments where accurate liquid level monitoring is critical.
Product Overview
Designed for use in tanks, boilers, condensate systems, and other liquid-handling equipment, the 9037HG33R float switch activates or deactivates connected equipment based on liquid level changes. The right angle configuration allows for versatile mounting in tight or space-constrained installations, making it a practical choice for both new construction and retrofit projects.
Key Features
- 2-1/2″ float switch with right angle (R.A.) mounting configuration
- Reliable liquid level sensing for pump, valve, and alarm control
- Durable construction suitable for HVAC, hydronic, and industrial use
- Square D quality engineering for long service life and consistent switching action
- Compact right angle design for flexible installation in space-limited applications
- Compatible with a variety of tank and vessel mounting configurations
Applications
- Boiler and hydronic system liquid level control
- Condensate tank and sump pump control
- Industrial liquid level monitoring and alarm systems
- Water treatment and storage tank applications
- HVAC equipment protection and safety shutoff
Why Choose Square D Float Switches?
Schneider Electric’s Square D product line is a trusted name in electrical control and automation. Square D float switches are designed to provide accurate, repeatable switching performance across a broad range of liquid media and operating conditions, helping protect equipment and maintain system efficiency.







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