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Trending Now Dometic Tank Discharge Controller 9108554555 - 24v - Black Family Size [czDyjX2o]

$55.99 $179.99 -69%

Tank Discharge Controller - 24V - Black Diverts sewage directly overboard in unrestricted waters when holding tank reaches mid-level and keyed control switch is set to "automatic" position.  Prevents accidental overboard discharge in restricted water

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Trending Now Dometic Tank Discharge Controller 9108554555 - 24v - Black Family Size [czDyjX2o]

Tank Discharge Controller - 24V - Black 

Diverts sewage directly overboard in unrestricted waters when holding tank reaches mid-level and keyed control switch is set to "automatic" position.  Prevents accidental overboard discharge in restricted waters when the control switch is turned to an "off" position.  Simplifies plumbing by eliminating wye valves, seacocks, and venting loops for multiple toilet installations. 

Eliminates stagnating sewage trapped in interconnecting hoses by wye valve operation.  Includes control panel with keyed selector switch (must be used with DTM level monitor system.) 

Features:


  • Manually activates the pump to discharge holding tank contents directly overboard in unrestricted waters

  • Greenlight indicates when discharge pump is running; reminds operator to shut off the pump to prevent burn-out 

  • The keyed switch provides U.S. Coast Guard-approved security when the key is removed; no padlocks or other mechanical fasteners are required 

  • When integrated with DTM04 tank monitor system, discharge pump automatically shuts off when the tank is empty

Legacy #  313814303

* Sold as an Individual

WARNING: This product can expose you to chemicals including ARSENIC which is known to the State of California to cause cancer or other reproductive harm. For more information go to P65Warnings.ca.gov.

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
The Dometic Tank Discharge Controller 9108554555 is designed for efficient waste management on your boat. This 24V black controller diverts sewage directly overboard in unrestricted waters when the holding tank reaches mid-level and the keyed control switch is set to 'automatic'. It also prevents accidental overboard discharge in restricted waters when switched off. Simplifying plumbing, this controller eliminates the need for wye valves, seacocks, and venting loops, making it ideal for multiple toilet installations. It effectively eliminates stagnating sewage trapped in interconnecting hoses, ensuring a cleaner and safer boating experience. The included control panel features a keyed selector switch, which must be used with the DTM level monitor system for optimal functionality.

Features:
* Manually activates the pump to discharge holding tank contents directly overboard in unrestricted waters.
* Greenlight indicates when the discharge pump is running, reminding the operator to shut it off to prevent burn-out.
* The keyed switch provides U.S. Coast Guard-approved security; the key can be removed, eliminating the need for padlocks or other mechanical fasteners.
* When integrated with the DTM04 tank monitor system, the discharge pump automatically shuts off when the tank is empty.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

Very happy with this. Thank you.

- Jennifer T..

February 7, 2026

Absolutely no complaints!

Simply awesome. I love it.

- Tyson N..

February 7, 2026

Absolutely no complaints!

A must-have. Don't think twice.

- Ana T..

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