Blue Sea 1821 Universal Temperature Sensor [1821] Brand_Blue Sea Systems or surface mounted

or surface mounted

The Boss MR762BRGB marine stereo is designed for marine use

While a vacuum toilet may use slightly less water

The USB100 translates a multitude of NMEA 2000® messages to NMEA 0183 sentences including GPS data

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Blue Sea 1821 Universal Temperature Sensor [1821] Brand_Blue Sea Systems or surface mountedUniversal Temperature Sensor Use with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double sided tape Waterproof design Temperature Range: 40F to 300F ( 40C to 150C) Wire Length: 18" WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.