trillium water tank - Fiberglass RV


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Old 11-28-2012, 08:38 AM   #1
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trillium water tank

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Originally Posted by msinger919 View Post
I have a water tank from a 13' Trillium. I would rather have the storage space and removed the tank. Any interest?
I visited the Trillium Factory in Arizona last week, and saw where the owner is now having a custom water tank made to fit in a sub-floor pocket (he had his molds changed to accomplish this) to keep the trailer better balanced and to add storage space.
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Old 11-28-2012, 11:15 AM   #2
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Quote:
Originally Posted by David B. View Post
I visited the Trillium Factory in Arizona last week, and saw where the owner is now having a custom water tank made to fit in a sub-floor pocket (he had his molds changed to accomplish this) to keep the trailer better balanced and to add storage space.


Can you expand on that a bit?

My '78 Trillium came from the factory with its water tank in a "sub-floor pocket", and custom-shaped to fit there. What's Trillium doing that's different now?

Thanks!

Francesca
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Old 11-28-2012, 11:24 AM   #3
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My Trillium 4500 also has the water tank below the floor, under the dinette. It actually makes for a rather irregular shape to the bottom of the trailer.
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Old 11-28-2012, 11:28 AM   #4
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Originally Posted by David Tilston View Post
My Trillium 4500 also has the water tank below the floor, under the dinette. It actually makes for a rather irregular shape to the bottom of the trailer.
Could Dave be talking about the 1300? Where's the water tank on that model? I've only ever looked at one, and didn't think to find out where water is carried...

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Old 11-28-2012, 11:35 AM   #5
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On both of my 1300's the water tank is in the road side dinette seat.
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Old 11-28-2012, 01:40 PM   #6
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Mine is under the rear dinette floor. Like most things on this trailer, it had to be repaired, hence the hole. Raz
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Old 11-28-2012, 02:05 PM   #7
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Mine is under the rear dinette floor. Like most things on this trailer, it had to be repaired, hence the hole. Raz
Mine ('78 4500) is the same size as yours, I think- but it came with a removable cover over the tank...do the present-generation Trilliums like yours come with the tank glassed over?

It does sound like the earlier reference to the "new molded water tank place" must be on the 1300, if like David's older ones the present generation has the water tank under the dinette bench.

Francesca
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Old 11-28-2012, 02:23 PM   #8
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Mine has a piece of carpeted plywood over the tank. One of the problems with this set up is that the drain valve is higher than the bottom of the tank. I added a piece of blue board to raise the tank to help drain. Also the tank is the low point at the rear of the trailer. A skid plate for the bumper?
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Old 11-28-2012, 02:37 PM   #9
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Originally Posted by P. Raz View Post
Mine has a piece of carpeted plywood over the tank. One of the problems with this set up is that the drain valve is higher than the bottom of the tank. I added a piece of blue board to raise the tank to help drain. Also the tank is the low point at the rear of the trailer. A skid plate for the bumper?
Interesting...on the first-gen. 4500, the drain valve is a simple petcock inside, and at least on mine it's at the lowest spot on the tank. That setup in your pic definitely looks like it raises the drain point above that. Weird!

It looks like it's female threaded like a city freshwater intake- does it double as a fill tube or something???

Francesca
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Old 11-28-2012, 04:43 PM   #10
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The original set up used pex tubing with pex to npt fittings at the tank and the valve. They used a T pushed into the pex to tap off the water line thus only one line out of the bottom of the tank. Nice idea but the T reduced the inside diameter of the hose down to 1/4". That and the valve location made draining the tank an all day affair. Further the pex tubing seen in the picture vibrated so that it distorted the threads in the tank causing a leak at the tank fitting. I redid the whole system with flexible 1/2" tubing, eliminated the inside the pipe T, and raised the tank. Having the drain valve by the wheel is very convenient. Here's a picture of the old set up. Raz
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Old 11-28-2012, 05:29 PM   #11
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moving posts from other thread
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Old 11-28-2012, 06:25 PM   #12
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Resubscribing...my notifier took me to the old thread!

Francesca
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Old 11-28-2012, 06:56 PM   #13
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Resubscribing...my notifier took me to the old thread!

Francesca
We were hijacking Mike's thread so I asked Jim to move things. Raz
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Old 11-28-2012, 08:19 PM   #14
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On both of my 1300's the water tank is in the road side dinette seat.
On my 1978 1300 the water tank is on the curb side (hope i'm saying this right, the TV passenger side) under the dinette seat. Pretty sure this is the original location because the filler is located on that side also. I always figured it was there to offset the weight of the fridge, heater, stove top and converter on the roadside. Probably about 10 gallons = 80lbs. There was a definite lean to the drivers side before I replaced the axle. The PO's may have not filled the tank very often!

Having the tank under the floor would really provide more storage.

HMMMMM, NOOOOOOOO NOT ANOTHER PROJECT!

Spanke
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