Analogue black water gauge for precise monitoring of holding tank level in marine vessels, recreational vehicles and welfare units. This reliable tank level gauge provides accurate readings to help you manage your waste storage efficiently.

Compatible with Wema S3-H senders, this versatile black water gauge also works seamlessly with other senders featuring a matching resistance range. This flexibility allows for easy integration into various existing systems.

Available in American resistance specification (240-20 ohms), ensuring compatibility with a wide range of marine and RV applications. This holding tank level indicator offers precise measurements for improved waste management.

Customize your instrument panel with our range of standard face and bezel colours. This allows for perfect continuity with all other gauges, creating a cohesive and professional look for your vessel or vehicle's dashboard.

The analogue design provides a clear, easy-to-read display that doesn't rely on complex electronics, ensuring long-lasting performance in marine environments. Regular monitoring of your black water holding tank level helps prevent overfilling and potential environmental issues.

Ideal for both new installations and retrofitting existing systems, this black water gauge is an essential tool for responsible waste management on boats, RVs and welfare units. Its durable construction withstands the rigors of marine and mobile environments, providing reliable service for years to come.