Dwyer L6-EPB-B-S-3-H Liquid Level Switch, Brass, SPDT, 1″ Line, Explosion Proof

The Dwyer L6-EPB-B-S-3-H is a heavy-duty liquid level switch engineered for demanding industrial and commercial HVAC applications where reliable level detection is critical. Featuring an explosion-proof and weatherproof enclosure, this unit is built to perform safely in hazardous and outdoor environments. The external float chamber design allows for easy installation and maintenance without interrupting the process line, while horizontal mounting provides flexible installation options across a wide range of tank and vessel configurations.

Key Features

• Brass upper and lower housing for excellent corrosion resistance and durability
• SPDT (Single-Pole Double-Throw) switch for versatile control applications — use for high or low level alarm, pump start/stop, or valve control
• 1″ line size connection for straightforward integration into existing piping systems
• 304 stainless steel spherical float for long service life and compatibility with a broad range of liquids
• Brass external float chamber keeps the switching mechanism isolated from the process fluid
• Explosion-proof construction for safe operation in hazardous classified locations
• Weatherproof enclosure suitable for outdoor and wet environments
• Horizontal mounting orientation for flexible tank-side or in-line installation

Construction & Materials

• Upper Housing Material: Brass
• Lower Housing Material: Brass
• Float Material: 304 Stainless Steel (Spherical)
• Float Chamber: Brass, External
• Line Size: 1″
• Mounting Orientation: Horizontal

Switch & Electrical

• Switch Type: SPDT (Single-Pole Double-Throw)
• Enclosure Rating: Explosion Proof and Weatherproof

Applications

• Boiler and hydronic system liquid level monitoring
• Industrial process tanks and vessels
• Pump protection and control
• High/low level alarms in commercial HVAC systems
• Hazardous location liquid level sensing
• Outdoor and wet environment installations

The Dwyer L6-EPB-B-S-3-H is part of Dwyer’s trusted Series L6 liquid level switch lineup, combining robust brass construction with a proven SPDT switching mechanism. Its explosion-proof rating makes it the go-to choice for installations in classified hazardous areas, while the weatherproof housing ensures reliable operation in outdoor or wash-down environments. Order the Dwyer L6-EPB-B-S-3-H from Jackson Systems for fast shipping and expert support.