Description
The Schneider Electric (Square D) 9037HG32Z20 is a 2.5″ float switch engineered for dependable liquid level detection and control in demanding HVAC, hydronic, and industrial applications. Built under the trusted Square D brand, this float switch features Viton sealing material, providing superior resistance to a wide range of fluids, oils, and chemicals that would degrade standard elastomers — making it an ideal choice for aggressive media environments.
Key Features
- 2.5″ float switch designed for precise liquid level sensing and control
- Viton (fluoroelastomer) seals/float material for excellent chemical and fluid resistance
- Engineered by Schneider Electric under the industry-trusted Square D product line
- Suitable for HVAC, hydronic, boiler, and light industrial liquid level applications
- Durable construction for long service life in harsh fluid environments
- Compact float design for versatile installation in tanks, vessels, and piping systems
Why Viton?
Viton fluoroelastomer provides outstanding resistance to petroleum-based fluids, hydraulic oils, solvents, and many chemicals at elevated temperatures. This makes the 9037HG32Z20 the preferred choice when standard NBR or EPDM seals are not suitable for the application media.
Applications
- Boiler and hydronic system liquid level monitoring
- HVAC equipment sump and condensate level control
- Industrial tank and vessel level detection
- Pump control and protection circuits
Product Details
- Brand: Schneider Electric (Square D)
- SKU / Part Number: 9037HG32Z20
- Float Size: 2.5″
- Seal / Float Material: Viton (Fluoroelastomer)
- Series: 9037 Float Switch







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