Get exact holding tank readings to within a quarter inch using this external monitoring system. Senders attach directly to plastic or polyethylene tank exteriors, preventing the sewage buildup common with internal sensors. The stackable and cuttable design fits different tank sizes and shapes without compromise.

A simple two-wire installation connects to your existing system infrastructure. Limited 1-year warranty provided.

• LED readout with 2.8″ × 4″ panel dimensions
• Capacity for up to 3 holding tanks
• Battery voltage, fresh water, grey water, and black water monitoring
• Includes tank sensor and connector