Just bought 381m and can not find second grey water drain handle. Called customer support and they say it is there. Any direction would be greatly appreciated, for the life of me I can not find it.
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Momentum 381M Toy hauler 2nd Grey water handle
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Originally posted by Rsroth View PostJust bought 381m and can not find second grey water drain handle. Called customer support and they say it is there. Any direction would be greatly appreciated, for the life of me I can not find it.
I did find the rear black/gray handle--that one is behind the rear tires (street side).
The bathroom gray and black are controlled by the handles at the Nautilus panel. (I should write I assume they are controlled by the handles at the Nautilus panel.)
So the mystery handle is the kitchen gray. Typically the kitchen gray is below the kitchen, so I'm guessing you'll find it under the forward side of the kitchen slide-out, just aft of the sewer drain connector. Again, on the street side (all the handles are on the street side).
Don't be confused by the white handle that aft of the kitchen slide, that's the fresh water tank dump.
Please respond back when you find it.
Howard
Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
2017 Ford F-350 DRW, '19 315RLTSPlus
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Unless you purchased your Momentum with a washer and dryer, I wouldn't be so certain that you have a second grey tank. See response #13 on https://gdrvowners.com/forum/operati...-tank-capacity
John
2018 Momentum 395M
2018 Ram 3500 Dually
Every day is a Saturday, but with no lawn to mow.
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GDRV-Megan -- are there multiple gray tank configurations for 381Ms? In the diagram I have there's a black and gray next to each other (under the master bath), a gray under the kitchen, and another combo black/gray for the rear bath.
If the 381Ms are all the same, can you have someone at the factory take a picture of where the exterior gray dump handle is for kitchen tank?
Thanks.
HowardForum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
2017 Ford F-350 DRW, '19 315RLTSPlus
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Originally posted by howson View PostGDRV-Megan -- are there multiple gray tank configurations for 381Ms? In the diagram I have there's a black and gray next to each other (under the master bath), a gray under the kitchen, and another combo black/gray for the rear bath.
If the 381Ms are all the same, can you have someone at the factory take a picture of where the exterior gray dump handle is for kitchen tank?
Thanks.
Howard
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Hello everyone. We are new here to the forum.
Thank you for answering my question before I could ask. I thought I had lost it. I have found that the 1/2 bath has a shared black/ gray tank.
However,I do have another question or two on the 381m. We recently purchased 2019 year model.The specs indicate 156 gal fresh water capacity. Is this one tank or two, possibly connected? There are two drain valves under the unit, one in front of the axles and one to the rear of the axles.
Also, what is the capacity of the gray tank shared by the master bath and kitchen?
Thank you for your help with this.Tom and Bea
2015 Ram 3500 DRW Longhorn
2019 Monentum 381 M
2020 Hensley Trailer Saver TS3 air ride hitch
Shadow-King Charles Spaniel mix (rescued)
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Originally posted by FireCpl View PostHello everyone. We are new here to the forum.
Thank you for answering my question before I could ask. I thought I had lost it. I have found that the 1/2 bath has a shared black/ gray tank.
However,I do have another question or two on the 381m. We recently purchased 2019 year model.The specs indicate 156 gal fresh water capacity. Is this one tank or two, possibly connected? There are two drain valves under the unit, one in front of the axles and one to the rear of the axles.
Also, what is the capacity of the gray tank shared by the master bath and kitchen?
Thank you for your help with this.
According to the GD Parts Lookup website (link on the menu bar) the main tank is an Alpha 770002 which is a 98 gallon tank. This tank is just aft of the kitchen island.
There's an aux tank that is just aft of the doors that lead into the garage. This tank is a 42 gallon tank. The rest of the fresh water capacity is in the hot water tank.
I don't know if they are connected. The drawings I have access to view don't show that detail. (Might be an interesting experiment for you or another owner of this model. Test it and let us know what you learn!)
The drawings don't show the capacities of the gray tanks. The parts lookup does not give a clue nor do the drawings I have access to view. The parts lookup does list only one tank, though, so since there are two in the trailer I'm guessing they are 39 gallon tanks (based on a 78 gallon total capacity).
Hopefully someone else with more concrete info will chime in.
Below are the screenshots showing the fresh water tanks.
Howard
HowardForum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
2017 Ford F-350 DRW, '19 315RLTSPlus
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A little older model but we have two freshwater tanks and they are connected, which makes sense since we only have the one water pump. To confirm this FireCpl should be able to find an auxiliary fresh water fill connection on the water panel. If FireCpl still has the build sheet for the unit that would provide some idea on the size of the grey tank (ours is listed at 104 gallons, but I suspect that it is more like 52 gallons since we don't have a back grey tank for the washer/dryer.)John
2018 Momentum 395M
2018 Ram 3500 Dually
Every day is a Saturday, but with no lawn to mow.
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