Dometic holding tank level indicator cap.
Features:
- Includes vent provision
- Patented 3 probe holding tank cap provides tank level readings to Dometic DTM holding tank monitors
- 22 inch version
- Installs in Dometic SeaLand tanks or any rigid tank with 3 inch FNPT opening
- Use P/N 307230272 holding tank flange kit if tank does not have a 3 inch FNPT tank access port