Description
The Schneider Electric (Square D) 9037HG33Z20 is a heavy-duty float switch engineered for dependable liquid level detection in HVAC, hydronic, and industrial fluid management applications. Featuring a 2-1/2″ threaded connection for straightforward installation into tanks, vessels, and piping systems, this switch is built to perform reliably in environments where chemical resistance and long service life are essential.
The Viton (fluoroelastomer) sealing material sets this float switch apart from standard units, providing outstanding resistance to a wide range of aggressive fluids, oils, fuels, and elevated temperatures — making it an ideal choice for demanding commercial and industrial installations.
Key Features
- 2-1/2″ threaded mounting connection for easy, secure installation
- Viton (fluoroelastomer) seals for superior chemical and temperature resistance
- Designed for reliable liquid level sensing and control
- Suitable for use with oils, fuels, water, and chemically aggressive fluids
- Heavy-duty Square D construction for long service life
- Ideal for HVAC, hydronic systems, boilers, and industrial fluid applications
Product Specifications
- Brand: Schneider Electric (Square D)
- SKU / Part Number: 9037HG33Z20
- Float Switch Type: Threaded
- Connection Size: 2-1/2″
- Seal Material: Viton (Fluoroelastomer)
Applications
- Liquid level control in tanks and vessels
- Hydronic and boiler system fluid monitoring
- Commercial and industrial HVAC equipment
- Pump control and protection circuits
- Oil, fuel, and chemical fluid systems
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