Accumulator tank in a 21 - Page 2 - Escape Trailer Owners Community

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Old 10-06-2015, 04:29 AM   #11
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What is an accumulator pump and why would I need it?
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Old 10-06-2015, 08:39 AM   #12
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I like the black plastic one better. I winterize with antifreeze. I am concerned the white metal unit may be a dead end and not get antifreeze?
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Old 10-06-2015, 08:51 AM   #13
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Quote:
Originally Posted by Fox hunt View Post
What is an accumulator pump and why would I need it?
I believe the tank has an air bladder in it. The pump fills the accumulator until the pressure balances out and shuts off. When you run water, the water comes from the accumulator for a relatively long time before the pump starts. Eliminates the quick cycling of the pump, especially at low flows such as a trickle using a faucet. Not a pump, just a tank. You still use your original pump. Hope this answers your question.
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Old 10-06-2015, 11:22 PM   #14
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Great description, Carl.
Quote:
Originally Posted by skiman View Post
I believe the tank has an air bladder in it.
Some pressure tanks don't have a diaphragm or bladder - just pressurized air in the top of the tank. In this case, the Amazon description says it does have a diaphragm... presumably clamped between the moulded tank halves to separate the air in the end with the air valve and the water in the end with the plumbing fittings.

One of the distributors of this accumulator offers a datasheet which provides a good description of how it works and how to use it.
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Old 10-07-2015, 12:02 AM   #15
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In my 19 I installed a flexible hose from the pump to an accumulator, and mounted the pump on 1" of ensolite foam. This silenced the pump greatly.

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