Groco Holding Tank Level Monitor for 10" to 12" Deep Tanks, 12 volt

Mfr: Groco
$335.48 On Sale
Groco, Holding Tank Level Monitor, 12 volt, for 10" to 12" Deep Tanks
SKU: 54481
Mfg# TLM-10
UNIT: Each
In Stock - Ships out in 1 Business Day

Holding Tank Level Monitor, 12 volt, for 10" to 12" deep tanks in boats. Tank level indicator panel is water resistant and may be located in shower/head combination compartments. The tank level sending unit screws into 1-1/2" NPT threaded tank opening. If there is no 1-1/2" opening available, this tank level monitor can be installed into a 2-1/2" hole cut into the top of the tank.

  • Includes:
    • Tank level indicator panel
    • 12 volt wire harness
    • Tank float sending unit
  • Monitor indicates 1/4 and 3/4 full
  • 20 amp momentary switch provided for macerator pump
  • Use in tanks from 10" to 12" deep
Groco TLM-10(PDF)

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GROCO will repair or replace, at its discretion, any part of any of its products which is determined to be defective by the factory or by an authorized GROCO service center within one year of the OEM installation date or the distributors original date of sale.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.