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jr windows

  • Posts: 537
40/40 RO
« on: May 15, 2009, 09:10:08 pm »
Hi all,

I use a merlin and was thinking of getting a 40/40, would I use this on it's own or with the merlin?

Cheers, Jason
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Mike_G

  • Posts: 1500
Re: 40/40 RO
« Reply #1 on: May 15, 2009, 09:19:27 pm »
Dont think you would need the merlin.
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jr windows

  • Posts: 537
Re: 40/40 RO
« Reply #2 on: May 15, 2009, 09:35:24 pm »
Thanks Mike. My water pressure is 40 psi would this be ok with a 40/40?
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easycleaner

  • Posts: 244
Re: 40/40 RO
« Reply #3 on: May 15, 2009, 11:34:15 pm »
I use a 40/40 and it will save you a mint on resin over the merlin. One of my guys has about 40psi and it work 'ok'
Mart.
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pingu

Re: 40/40 RO
« Reply #4 on: May 16, 2009, 06:33:32 am »
JR...if you want the absolute nuts & bolts information about ro/s contact June @ Gaps water...just yahoo search for the details....she really knows her stuff and is extremely helpfull.

Cheers
Dave.
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jr windows

  • Posts: 537
Re: 40/40 RO
« Reply #5 on: May 16, 2009, 10:24:44 am »
Thanks very much.
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ccmids

Re: 40/40 RO
« Reply #6 on: May 16, 2009, 07:38:14 pm »
hi dave hows the new system alls well i trust  :)
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pingu

Re: 40/40 RO
« Reply #7 on: May 17, 2009, 07:38:38 am »
Going very well...snagged a few little leaks in a couple of the ball valve and brass connectors so now it's building the rest of the housing for the system and ensuring it is all cold weather protected and the hoses can all drain empty.

Cheers
Dave.
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ccmids

Re: 40/40 RO
« Reply #8 on: May 17, 2009, 08:41:23 am »
just about getting the hang of this one now ,  tds comeing out of RO is 11  by the time it gets through the resin its 000. any tips on gettig tds lower than 11???
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pingu

Re: 40/40 RO
« Reply #9 on: May 17, 2009, 09:26:03 am »
Perhaps your tap tds varies say during the night....might be lower?...could be worth observing over the next couple of months...time of day could help?

Dave.

ps...I can have tds between 256 and 320ish depending
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jr windows

  • Posts: 537
Re: 40/40 RO
« Reply #10 on: May 17, 2009, 09:33:37 am »
What system do you have dave?
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pingu

Re: 40/40 RO
« Reply #11 on: May 17, 2009, 10:30:09 am »
I can suffer from low pressure here in Holland...40 - 50psi...so I went with a HF5-4040 so should not need a booster pump....this may help http://www.cleanitup.co.uk/smf/index.php?topic=73274.msg643171#msg643171

Current average tds (from tap) around 280 then into RO Mmembrane > water out is around 5 - 11 depending on exact tds of water in> water then into DI vessel/resin...water out is 000tds....

Cheers
Dave.
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ccmids

Re: 40/40 RO
« Reply #12 on: May 17, 2009, 12:34:09 pm »
Quote from: pingu on May 17, 2009, 09:26:03 am
Perhaps your tap tds varies say during the night....might be lower?...could be worth observing over the next couple of months...time of day could help?

Dave.

ps...I can have tds between 256 and 320ish depending

some times the presures up and down, ill check tds tonight.
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