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Old 12-29-2017, 09:31 AM   #1
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Anyone know what this is?....

These fittings go through the deck just in front of my inboard engine. I'm wondering what they are - possibly to the wastewater tank?
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Old 12-29-2017, 10:00 AM   #2
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Does indeed look like waste tank. Inlet, outlet and level sender.
See where the hoses go.
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Old 12-29-2017, 10:05 AM   #3
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Holding tank sensors

Looks like my SeaLand level sensor/ vent line fitting.
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Old 12-29-2017, 10:34 AM   #4
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If the photo is upside down--iow, those fittings are actually in the top of the tank--the round one is most likely the sending unit for a waste tank level indicator. There should be a light panel in the head that indicates the level in the tank and has the brand name on it. It may or may not still be working, though.

The writing on the white hose says "potable water and sanitation," which can either be the hose from the toilet or hose that it goes to the deck pumpout fitting. If it's the pumpout line, there'll be a pickup tube (hopefully NOT metal!) on it inside the tank that goes to the bottom. The gray fitting appears to be a reducing adapter, which would make that hose the inlet from the toilet. I have no idea what the rectangular panel next to it is or why it's there.

The tank appears to be fiberglass...and that somebody just glassed in the hose connections instead of installing proper fittings for thread-barb hose fittings. They also failed to double clamp the hose connections.

You should be able to trace both hoses to find out what's at the other end of 'em and you need to do that before using the toilet which, judging from what I'm seeing at the tank, may need work too...and the tank may or may not be empty.
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Old 12-29-2017, 01:09 PM   #5
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Quote:
Originally Posted by Foster Nordic View Post
These fittings go through the deck just in front of my inboard engine. I'm wondering what they are - possibly to the wastewater tank?
Unscrew the one with the electrical wires going to it and do a "sniff test". Now you know what it is.
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Old 12-29-2017, 01:53 PM   #6
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It is indeed upside down picture. All those fittings go straight downward. Thanks for this, all makes sense that it's the holding tank and sensor. I'm grateful for your answers. Thank you.
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Old 12-29-2017, 03:05 PM   #7
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Quote:
Originally Posted by Foster Nordic View Post
It is indeed upside down picture. All those fittings go straight downward. Thanks for this, all makes sense that it's the holding tank and sensor. I'm grateful for your answers. Thank you.
I have a feeling that system is gonna need some work. If you'd like some help sorting it all out, feel free to send me a private message...I'm always glad to help when I can!

Happy New Year!

Peggie
"If you can't explain it to a six year old, you don't completely understand it yourself." --Albert Einstein
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Old 12-30-2017, 09:51 AM   #8
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Originally Posted by bayview View Post
Does indeed look like waste tank. Inlet, outlet and level sender.
See where the hoses go.


You are 100% correct
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