Blue Sea 1839 M2 OLED Tank Monitor [1839] Tech Accessories Surface mount is designed to

Surface mount is designed to be installed above the water line

UPC: 8059617812492

Ease of Installation

Electrical signals are sent from the Two Way Manifold IC only when grey waste water needs to be pumped out

Chesapeake White SS 4" Tachometer - 6000 RPM (Gas) (Inboard & I/O)

Blue Sea 1839 M2 OLED Tank Monitor [1839] Tech Accessories Surface mount is designed toM2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2. Features: Auto dimming, bright Organic LED display is easy to read 80dB alarm on all models Isolated 500mA MOSFET relay Includes external DC Shunt or