Dometic DTM01C
Single-level tank monitor for holding tanks

The wall-mountable status panel features a bright red warning light to indicate a full tank to prevent any overfilling. The single float switch assembly comes with a cap and is easy to install.
  • Takes control
  • Easy to install
  • Easy to read : 9107100009 Visit support page + FAQ
Dometic DTM01C
...and more
    • Takes control and warns when the tank is full
    • Easy to install, it has a reliable and proven design
    • A bright red warning light lets you know not to flush

Know when your tank is full

The Dometic DTM01C holding tank monitor system includes a full-tank sensor in a threaded cap. It is a reliable and well proven design that is easy to install and is used by the world’s leading boat builders. The Dometic DTM01C offers unparalleled reliability at a single glance as a bright red warning light indicates when holding tank is full and that the toilet should not be flushed. This is a simple solution to prevent any overfilling of the tank. The single float switch assembly comes with a cap that fits on to a 3" diameter threaded tank opening.


SKU number 9107100009 
Model DTM 
US Item Name 313002312 
Model on label SL DTM01C 
Scope of delivery Cap, Panel, Mounting hardware, Manual 
Product Description Single-level tank monitor for holding tanks 
Dimensions product depth 2 "
Dimensions product height 3 1/4 "
Dimensions product width 3 1/4 "
Net weight 0.40 lbs
EAN-13 713814069094 
Dimensions parcel depth 184.15 mm
Dimensions parcel height 115.82 mm
Dimensions parcel width 139.7 mm
Parcel weight 0.27 kg
Installation manual
Installation manual