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Old 03-26-2015, 07:49 AM   #31
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Originally Posted by Herk7769 View Post
Yep, no pressure; no water.

I put a shutoff valve inline so I can shut it after draining and before I put in the Pink. I mounted mine up between the rafters suspended by strap steel so I could use the space under it.
You may have but not sure, have you posted pics of yours?
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Old 03-26-2015, 07:55 AM   #32
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Originally Posted by TURBS View Post
You may have but not sure, have you posted pics of yours?
I have a forum thread with my install but here is the last photo I took (that unfortunately does not show the shutoff valve I added when I realized the winterization problem). It is located in that long white pex run.

Remember you "must" have access to the schrader valve (top in the second photo) to adjust the air pressure in the bladder so the air pressure allows water to enter; yet shuts off the pump when it is full. Too much air pressure will not give you a full tank when the pump stops; too little will waterlog the accumulator. In both cases the pump will run more often than it needs to.
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Old 03-28-2015, 06:59 AM   #33
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Originally Posted by gfarmcafe View Post
Sounds good, but should this pressure be checked periodically, and can air be added to it if needed?
Thanks for the info!
If you have the small plastic tank, yes you can add or remove air from the tank.The small plastic tank is not designed as a reservoir or reserve capacity of water in the system. It is designed to stop the rapid cycling of the water pump and allow for some expansion of water when the hot water tank is first turned on. The factory set pressure is designed to work with the shurflo water pump in your RV to prevent short cycling of the pump. I have never had to add or remove air from the accumulator tank in my RV. I have used the same tank in my two previous rv's, over the last 20 years.
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Old 03-28-2015, 07:07 AM   #34
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The two gallon steel tank has been holding my set pressure just fine for two years now. It still work great at the pressure I set when I fiddled with it to get the most water without flattening the bladder.

The delivered pressure was too high for my RV's pump and we did not get anywhere near the full 2 gallons of available space before the pump came on.
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Old 03-28-2015, 07:30 AM   #35
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My above post is only for the shurflow accumulator tank that is designed to be attached after the shurflow water pump. All other pump accumulator tanks that are custom installed will have to have their air pressure adjusted as needed for that rv's system.
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Old 03-28-2015, 08:15 AM   #36
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Originally Posted by 07 ThunderRoad View Post
If you have the small plastic tank, yes you can add or remove air from the tank.The small plastic tank is not designed as a reservoir or reserve capacity of water in the system. It is designed to stop the rapid cycling of the water pump and allow for some expansion of water when the hot water tank is first turned on. The factory set pressure is designed to work with the shurflo water pump in your RV to prevent short cycling of the pump. I have never had to add or remove air from the accumulator tank in my RV. I have used the same tank in my two previous rv's, over the last 20 years.
Exactly the info I was after. Thanks everyone. We hope to get everything ready for camping next week. IT'S BEEN A LONG, COLD WINTER!!!
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