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Jayco fresh water tank

snowpeke
Explorer
Explorer
I have a 2014 Jayco 26.5 RLS and when I fill up the fresh water tank after about two thirds full water starts coming out of two drain pipes. When it stops I will have 32 gallons of water in the tank. I checked it with five gallon bucket 32 gallons. But the specs say 48 gallons. Any ideas to get all the way full?
2002 Chevy DuraMax
2014 jayco eagle
Two Pekingese dogs
9 REPLIES 9

Tal_IL
Explorer
Explorer
It's infuriating, isn't it? My fresh water tank and many others' have "overflows" that won't allow filling the tank to full capacity because the outlets are not mounted at the highest point of the tank. I lose even more water during travel, due to the water sloshing around.
35 miles from Normal, IL. As close to normal as I'll ever be.

2006 Country Coach Inspire Genoa 40ft

laknox
Nomad
Nomad
FLY 4 FUN wrote:
Your specs likely include the 6 or 10 gallon hot water heater tank in the total. If that's the case your true capacity is about 42 to as little as 38 gallons.

I would double check the label on the side of the rig as that's pretty typical of manufacturers.

Daryll


That's still about 10 gal short, as the water heaters are only 6 gal.

Lyle
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Diesel_Camper
Explorer
Explorer
I guessing between the hot water tank (Probably 6 gallons) and the "usable" water in the main tank you are probably in the ball park.

Your tanks drain and or pickup tube may not be perfectly situated which can leave a lot of unusable water.

MFL
Nomad II
Nomad II
from OP

"when I fill up the fresh water tank after about two thirds full water starts coming out of two drain pipes."

allen8106
Explorer
Explorer
MFL wrote:
Not sure what two drain pipes you speak of, but a call to Jayco, giving vin# should net an answer to actual tank size, and drain issue.

Jerry

Most fresh water tanks have an overflow tube.
2010 Eagle Super Lite 315RLDS
2018 GMC Sierra 3500HD 6.6L Duramax

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ol_Bombero-JC
Explorer
Explorer
MFL wrote:
Not sure what two drain pipes you speak of, but a call to Jayco, giving vin# should net an answer to actual tank size, and drain issue.

Jerry



Now that's a novel idea....:R

~

MFL
Nomad II
Nomad II
Not sure what two drain pipes you speak of, but a call to Jayco, giving vin# should net an answer to actual tank size, and drain issue.

Jerry

donn0128
Explorer II
Explorer II
According to what do you believe you have a 48 gallon tank? If you are looking at brochure, you need to read the fine print. " specs subject to change without notice"

FLY_4_FUN
Explorer
Explorer
Your specs likely include the 6 or 10 gallon hot water heater tank in the total. If that's the case your true capacity is about 42 to as little as 38 gallons.

I would double check the label on the side of the rig as that's pretty typical of manufacturers.

Daryll
2012 Dodge Ram 3500 crew SB 4x4 CTD 3.73
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05 Jayflight 29BHS (sold 2008)
99 Jayco Eagle 12SO (sold 2005)