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Old 09-23-2016, 10:11 AM   #1
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Accumulator Tank ?

I have a 2000 Excella 30 with dinette and split bath my manual says I have a accumulator tank under the galley sink and I don't see one . My question is do all 30's have one if so where can mine be located ? I have looked all along that side of the trailer and can't find it . Any help out there ?
Thanks Les
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Old 09-26-2016, 09:46 AM   #2
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I have a 2000 Excella 30 with dinette and split bath my manual says I have a accumulator tank under the galley sink and I don't see one . My question is do all 30's have one if so where can mine be located ? I have looked all along that side of the trailer and can't find it . Any help out there ?
Thanks Les
Well since I have no replies and after more checking I conclude i don't have one
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Old 09-26-2016, 09:54 AM   #3
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Les,

If after you run the pump and it shuts off, you shut it off and then open a cold water faucet, the initial release of just the built up pressure should drop right off, if it doesn't and runs for more than a few seconds then you do have one somewhere.
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Old 09-26-2016, 10:06 AM   #4
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Typically, an accumulator tank will be directly next in line after the pump. If you trace the output from the pump and there's no accumulator tank between the pump output and the first connector like a Tee, then, you most likely do not have one.

Eric
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Old 09-26-2016, 10:34 AM   #5
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The test mentioned in post 2 will tell you if you have one. It will only be about the size of a small peanut jar and should have a schrader valve on one end.

If it turns out you don't have one install one.
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Old 09-27-2016, 05:47 AM   #6
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I'm planning on installing a Flojet V Flo 5.0 water pump and it doesn't need a accumulator ,also a split bath Airstream like mine doesn't have much room to add things to the plumbing system. Thanks for all the replies .
Les
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Old 10-11-2016, 10:04 AM   #7
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Well today getting ready to winterize my Airstream and found my accumulator tank it is behind the micro wave and the rear wall of the cabinet impossible to get to without removing the micro wave and cutting out the rear wall of the cabinet . If I blow out the lines and pump antifreeze in will I be ok or do I need to drain the accumulator tank ? Any ideas ?
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Old 10-11-2016, 10:14 AM   #8
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If the tank was install vertical and you blow out the lines it should drain itself.

A very poor location for future service but not a problem now.
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Old 10-11-2016, 10:27 AM   #9
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If the tank was install vertical and you blow out the lines it should drain itself.

A very poor location for future service but not a problem now.
Thanks for the reply I don't know how I will ever be able to add pressure to it without removing Micro wave . Thinking about adding a schrader valve extension hose like used for dual rear wheels .
Les
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Old 10-11-2016, 10:45 AM   #10
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It should self pressurize when the pump comes on next spring. There is an air pocket in the accumulator the size of which changes as the system pressure changes.
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Old 10-11-2016, 06:04 PM   #11
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Thanks again HowieE . I went to Camping World to buy the valve extensions for dual wheels found a pair and they were $50. walked around in the store and found some in the mark down area for $8.00 with tax . so I hooked it up and ran it under the sink so now I can check the pressure without removing the Microwave .
Les
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