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Old 04-17-2020, 08:37 PM   #1
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2005 Jayco Greyhawk water tank not filling

Hey Everyone -

2005 Jayco Greyhawk 31ss - Absolutely love it and I've had it for about 3+ years.

This may have always been the case but what is the real capacity of the fresh water tank? The manual says 44 gallons, but I can't seem to get close to that. I'm pretty confident the 44 gallons includes the hot water tank too, but it still seems like it's over flowing long before it should. So I completely drained the tank via the Low Point valve, put a garden hose water flow meter on the hose and let it fill up until it over flowed. I've tried this several times and at about 25 gallons on the meter, the tank starts overflowing. RV is on a level surface. Thoughts?
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Old 04-17-2020, 09:46 PM   #2
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You are correct that 44 gal INCLUDES the water heater tank capacity (6 gal standard)


So 39 gallons SHOULD BE fresh water tank capacity


25 gallons metered and tank starts overflowing?
Is 'overflow' at top of tank or from side wall?
Have you checked tank vent.......vent getting block as you fill tank and so water is forced out overflow???
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Old 05-08-2020, 03:13 PM   #3
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Hi -

I don't know exactly where it's over flowing from to be honest. But the meter that I put on between the hose and the female side on the outside of the RV does say about 25 gallons when I see water overflowing under the coach.

Which vent are you referring to? Not sure where that is.

Thanks for the reply!


Quote:
Originally Posted by Old-Biscuit View Post
You are correct that 44 gal INCLUDES the water heater tank capacity (6 gal standard)


So 39 gallons SHOULD BE fresh water tank capacity


25 gallons metered and tank starts overflowing?
Is 'overflow' at top of tank or from side wall?
Have you checked tank vent.......vent getting block as you fill tank and so water is forced out overflow???
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Old 05-13-2020, 05:47 AM   #4
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Just want to say we love our Greyhawk 31SS too! It is a 2011 and we bought it used in the fall of the same year! We have been to many RV shows since, RV dealers “just looking” at newer ones and have not seen anything we like better than ours, in our price range. The quality in new ones don’t compare to older models in my opinion.

We have travelled to Florida, Alaska, 15 National Parks and everything in between with our Greyhawk . We tow a Jeep and have had no major problems. The floor plan suits us and we are headed back to Florida pending pandemic situation.

Enjoy!
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Old 05-20-2020, 09:57 PM   #5
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Quote:
Originally Posted by Gladie View Post
Just want to say we love our Greyhawk 31SS too! It is a 2011 and we bought it used in the fall of the same year! We have been to many RV shows since, RV dealers “just looking” at newer ones and have not seen anything we like better than ours, in our price range. The quality in new ones don’t compare to older models in my opinion.

We have travelled to Florida, Alaska, 15 National Parks and everything in between with our Greyhawk . We tow a Jeep and have had no major problems. The floor plan suits us and we are headed back to Florida pending pandemic situation.

Enjoy!

Glad to hear it. Yep, love ours too. Have you ever measured the amount of water that actually goes into it?

James
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