Holding tank location

Joined
Nov 16, 2005
RO Number
19571
Messages
100
I could use some help in locating my holding tank on my 1989 48 Californian MY. The specs. say the tank is either 70 gallons or 170 gallons. I have lifted every hatch and looked in every available space I have. I even have followed the waste hoses and I cannot locate and area large enough to hold a tank that size, as a matter of fact I cannot locate any holding tank at all. The hoses disappear behind bulkheads that would not support a tank of that size and yes I know I have one. Any help would be appreciated.
Thanks,
Chris
 
You might want to try the Wellcraft section there are Californian owners there as well. I think your boat has 2 heads. I would find the deck pumpout fitting and follow that hose backwards.
Bill
 
The pumpout fitting and vent should be as close as possible to the tank. That's a good place to start.

170 gallons would be a monster holding tank. I suspect it's much smaller.
 
It's a different boat, but my old Carver 3807 had 2 tanks. One in the engine room with very easy access and one was located behind the frig and underneath a storage cabinet. You either had to take the frig out or pull the cabinet floor out just to see it. We had to replace it and pulled out the frig to do it. Access was very bad. We replaced it with a slightly smaller tank just to make it easier to install.
It took us a while to figure out where that second tank was hiding.
 
It's not a wellcraft? The 3807 is a completely different boat and I have 3 full heads w/showers so 170 on this boat is not out of the question. I am still looking hopefully I'll be able to locate it this weekend. I amnot having any issues but I can't stand not to know where things are on the boat.
 
I know your boat is not a 3807. I just used the example of my boat to show that manufacturers can get creative in hiding "stuff" on boats. Where I found mine was in a space behind a bulkhead that I didn't think was big enough to hold a large tank, but there it was.
 
So Chris, did you find your holding tank?
 
70 sounds more realistic than 170, I've never seen a holding tank that big but I guess there's always a first time. Do your showers drain into the holding tank? I'm not familiar with that setup either.
 
push an electrical fish tape down the waste deck fitting and listen carefully below for the tapping sound as it reaches the bottom of the run. you may hit a 90' fitting at the top of the tank, but you will at least be in the right part of the boat.
 
quote:

Originally posted by vic33004

push an electrical fish tape down the waste deck fitting and listen carefully below for the tapping sound as it reaches the bottom of the run. you may hit a 90' fitting at the top of the tank, but you will at least be in the right part of the boat.






Similarly, I was going to suggest after next pumpout you could put a hose in the pumpout deck fixture and listen below for sound of dripping/splashing water. Perhaps sandwiched between bulkheads?
 
It still alludes me, was down over the weekendad still no luck, I am in the process of heading to Afghanistan to work so it will have to wait until I get home.
 
Good luck in Afganistan. Keep your eyes and ears open.
 
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