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P a g e
Holding Tank
1.
The sanitation holding tank holds approximately 40 gallons.
2.
Be aware of the rate of waste production (between .5 and 1 gallon per flush).
3.
The tank can be monitored from the pilothouse panel. (turn on the DC panel gauge breaker)
4.
When the orange light comes on, you only have 25 flushes left (you may want to keep track of
your flushes at this point).
5.
Empty the tank before the red light is illuminated.
6.
Stop using when the light turns red.
7.
The holding tank is emptied at a marine pump out station or discharged into Canadian waters.
8.
Using a marine pump out station:
•
Remove the waste cap on the starboard deck near the pilothouse door.
•
A cap “key” is in a drawer near the salon rear door or the pilothouse chart drawer.
•
If a water hose is available, partially fill the tank with water and repeat the pump out (this
will ensure most solid waste is removed and keep all 40 gallons available for use).
9.
Empty the tank with the holding tank pump (only allowed in Canadian waters).
•
The holding tank overboard valve is
always open
(do not close) and is located under the
MC bed.
•
Turn on the holding tank pump breaker switch. (located in the AC panel above the washing
machine next to the forward cabin.)
•
Listen to the pumps noise. When the pitch changes, the holding tank is empty.
•
You can also monitor the panel indicator lights. Turn off the holding tank pump breaker
when the light turns green.
10.
The “GRAY MANUAL” has a list of pump out locations.
11.
at 206.660.1280. They are a mobile pump out
service serving Seattle, Puget Sound and the San Juan Islands.
Green light indicates
tank is empty.
DO NOT USE IF RED
LIGHT COMES ON.
