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DTM08 four-level tank monitor system for waste holding tank and freshwater tank. Includes two sets of tank probes.
Accurate, continuous tracking of tank capacities is enjoyed by boat owners with our complete series of DTM tank monitors. Each DTM panel provides easy-to-read, distinctive LED illumination that indicate up to four levels of tank contents. Level probes install in SeaLand or other rigid tanks* and are adjustable to desired level indication heights. DTM04, DTM08 and DTM12 panels can connect with DTD tank discharge control to offer convenient holding tank discharge options
Key Benefits:
  • Monitors empty, low, mid and full levels
  • Continuous light indicates power is on
  • No false readings. No electrical components contact water
  • Easy to install. Two probe assembly length options fit tanks up to 22 in./55.9 cm and 45 in./114.3 cm tall
  • Optional relay shuts down toilet when waste tank is full (DTM04); or shuts down water pump when freshwater tank is full (DTMF04)
  • 12V DC or 24V DC operation



Cullys provides high level support and products for the most advanced toilet system that matches perfectly with your Recreational Vehicle (RV), and boats (Marine industries). The Sealand range of toilet technologies offers a complete, premium-quality selection from one convenient source. Check out our entire range of Sealand Sanitation products for Marine and RV use. Our range of marine toilet technologies include VacuFlush (vacuum), Masterflush (macerating) and gravity discharge.

Additional information

Available Models

8-Light Panel, 2-Probes with Vent, 22"-Black – 360608001
8-Light Panel, 2-Probes without Vent, 22"-Black – 360608002
8-Light Panel, 2-Probes with Vent, 45"-Black – 360608003
8-Light Panel, 2-Probes without Vent, 45"-Black – 360608004
8-Light Panel, 2-Probes with Vent, 22"-White – 360608011
8-Light Panel, 2-Probes without Vent, 22"-White – 360608012
8-Light Panel, 2-Probes with Vent, 45"-White – 360608013
8-Light Panel, 2-Probes without Vent, 45"-White – 360608014


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