Description
The Schneider Electric (Square D) 9037HG36Z20 is a heavy-duty float switch engineered for dependable liquid level detection and control in demanding HVAC, hydronic, and industrial applications. Featuring a Viton seal, this float switch delivers outstanding chemical resistance and long-term durability in environments where standard elastomers may degrade — making it the preferred choice for aggressive fluids, refrigerants, and elevated-temperature service.
Key Features
- Viton (fluoroelastomer) seal for superior chemical and heat resistance
- Reliable float-actuated switching for accurate liquid level control
- Rugged construction suited for HVAC, boiler, and hydronic system applications
- Square D quality backed by Schneider Electric engineering
- Designed for long service life in corrosive or high-temperature fluid environments
- Drop-in replacement for compatible Square D 9037 series float switch applications
Applications
- Boiler and hydronic system water level monitoring
- Condensate management and sump level control
- HVAC equipment protection and liquid level sensing
- Industrial fluid handling with chemical-resistant requirements
Why Choose Viton?
Viton (FKM) seals outperform standard BUNA-N or neoprene elastomers in applications involving oils, fuels, hydraulic fluids, and elevated temperatures. Choosing the 9037HG36Z20 with Viton ensures a longer-lasting, leak-free seal even in chemically aggressive service conditions.
Product Details
- Brand: Schneider Electric / Square D
- Series: 9037
- Model: 9037HG36Z20
- Seal Material: Viton (Fluoroelastomer)
- Type: Float Switch







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