The Dwyer L6EPB-B-S-3-A is a heavy-duty liquid level switch engineered for reliable liquid level detection in demanding industrial and commercial HVAC/mechanical applications. Featuring brass upper and lower housings, this switch is built to withstand harsh environments with both weatherproof and explosion-proof ratings, making it suitable for use in hazardous locations where safety is paramount.
The unit incorporates a 304 stainless steel cylindrical float that provides accurate and consistent level sensing, while the SPDT (Single-Pole, Double-Throw) switch output allows for flexible control wiring configurations. Designed for side wall mounting with a 1″ line size connection, this switch installs easily into tanks, vessels, and piping systems in a horizontal orientation.
Key Features
- Brass upper and lower housing construction for corrosion resistance
- SPDT switch output for versatile control applications
- 1″ line size connection for straightforward installation
- 304 stainless steel cylindrical float for reliable level detection
- Side wall mount, horizontal mounting orientation
- Weatherproof and explosion-proof rated enclosure
- Suitable for use in hazardous and demanding environments
Specifications
- Brand: Dwyer Instruments
- Model / SKU: L6EPB-B-S-3-A
- Housing Material: Brass (Upper and Lower)
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Float Material: 304 Stainless Steel
- Float Shape: Cylindrical
- Line Size: 1″
- Mounting Style: Side Wall Mount
- Mounting Orientation: Horizontal
- Enclosure Rating: Weatherproof and Explosion Proof
Applications
- Industrial and commercial liquid level monitoring
- Tanks, vessels, and process piping systems
- Hazardous location installations requiring explosion-proof equipment
- HVAC hydronic and fluid management systems
- Pump protection and liquid level alarm circuits








