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Old 03-24-2015, 09:31 AM   #11
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Hor or Vert. makes No difference,the internal Bladder has air/no2 behind it that allows for Movement! Turn on any outlet and allow to drain water pressure,then shut Off the valve to Acc.ready for winter! This only readys the ACC.go thru your Normal Winterizing! Youroo!!
Your right about that, but I would think you would still need a by-pass to shoot the pink in lines and not the tank.
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Old 03-24-2015, 09:40 AM   #12
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Only question I have how do you get all the water out of it, for winterizing, when it's laying on its side? Other than that I wish I had the room to add one that size I do have the little Rv one they sell, about the size of a 1 liter bottle.
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Old 03-24-2015, 10:05 AM   #13
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I'm located in Central Illinois, so my camper gets winterized and stored for a few long months.

Originally I was planning to mount it vertical. However I saw the internal rubber bladder will push all of the water out - no matter what orientation. Others have commented that their horizontal install works great. I got the idea for a shutoff valve from this forum.

Even if there as a small amount of water left, wouldn't the expansion of ice be mitigated by the contraction of the rubber bladder?

I've got 33 psi in the bladder. I'm thinking that's a bit too high. I might try 25 and see if that works better.
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Old 03-24-2015, 10:14 AM   #14
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Mine is mounted horizontally and as has been said most of the water gets pushed out by the bladed. I use air to clear the lines and then use the pink stuff (may be more than I need )
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Old 03-24-2015, 10:15 AM   #15
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Old 03-24-2015, 01:47 PM   #16
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I installed the SHURflo 182-200 tank last Fall before winterizing and haven't needed to use it yet, but wondering if I should check the PSI. It was pre-charged to 30 PSI with maximum of 125 PSI, which I'll never need, but wondering if anyone has increased their systems more than 30 without blowing out plumbing fittings?
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Old 03-24-2015, 05:47 PM   #17
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The Shurflow is designed to reduce or stop rapid cycling of the water pump. It also will allow for a cold start of the hot water tank and expansion of the water in the plumbing system so it doesn't blow out the lines or lift the safety relief on the hot water tank. Keep the factory pressure in the tank.
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Old 03-24-2015, 06:21 PM   #18
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Originally Posted by 07 ThunderRoad View Post
The Shurflow is designed to reduce or stop rapid cycling of the water pump. It also will allow for a cold start of the hot water tank and expansion of the water in the plumbing system so it doesn't blow out the lines or lift the safety relief on the hot water tank. Keep the factory pressure in the tank.
Sounds good, but should this pressure be checked periodically, and can air be added to it if needed?
Thanks for the info!
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Old 03-24-2015, 09:44 PM   #19
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Accumulator pressure

It seems to me that the pressure in the accumulator should adjusted to be greater than the water pump pressure so the bladder doesn't "bottom out" before the system pressure (established by the pump) is reached.
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Old 03-24-2015, 10:20 PM   #20
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It seems to me that the pressure in the accumulator should adjusted to be greater than the water pump pressure so the bladder doesn't "bottom out" before the system pressure (established by the pump) is reached.
I would set it to at least the water pump pressure whatever that would happen to be if not maybe 5#-10# higher and keep the water out of it completely, but I'd also mount it vertical so it would drain automatically if water did happen to get in it.
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