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Pole 2 Pole

  • Posts: 1051
Does anyone use a merlin 720 for instant water?
« on: September 27, 2009, 07:14:55 pm »
If so, what are ya thoughts on it??? How quickly can it produce 100 litres etc? Thankyou
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clean

Re: Does anyone use a merlin 720 for instant water?
« Reply #1 on: September 27, 2009, 07:41:42 pm »
Had mine for over 5 years now never had to change any filters in it yet ok the tds has risen slightly but nothig worth worrying about,only need to change resin but thats expected,
i get about 100L an hour from it  ;)
PK
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Pole 2 Pole

  • Posts: 1051
Re: Does anyone use a merlin 720 for instant water?
« Reply #2 on: September 27, 2009, 09:04:17 pm »
Worth knowing PK. Cheers fella.  ;) Where did ya get yours from? Can i ask?
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Sapphire Window Cleaning

  • Posts: 2942
Re: Does anyone use a merlin 720 for instant water?
« Reply #3 on: September 27, 2009, 09:10:35 pm »
Quote from: Pole King on September 27, 2009, 07:41:42 pm
Had mine for over 5 years now never had to change any filters in it yet ok the tds has risen slightly but nothig worth worrying about,only need to change resin but thats expected,
i get about 100L an hour from it  ;)
PK


How much is the Merlin 720?


Matt
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Reaching parts traditional window cleaners can not reach.

Pole 2 Pole

  • Posts: 1051
Re: Does anyone use a merlin 720 for instant water?
« Reply #4 on: September 27, 2009, 09:18:48 pm »
Just under 300 by the looks of it bud, but it's lookin like a more viable option for myself i reckon.
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Sapphire Window Cleaning

  • Posts: 2942
Re: Does anyone use a merlin 720 for instant water?
« Reply #5 on: September 27, 2009, 09:21:39 pm »
I am looking at a larger RO.
I only have a 200GPD RO at the mo, but I am looking at having a static tank, 1,500litres
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Reaching parts traditional window cleaners can not reach.

Smudger

  • Posts: 13438
Re: Does anyone use a merlin 720 for instant water?
« Reply #6 on: September 27, 2009, 09:44:04 pm »
Been using a Merlin for the last 6 weeks with a booster pump -

Totally reccomend it -  100 ltrs p/h   :)


Darran
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Never argue with an idiot, they will only bring you down to their level, and beat you with experience

clean

Re: Does anyone use a merlin 720 for instant water?
« Reply #7 on: September 28, 2009, 08:00:56 am »
Quote from: Pole 2 Pole on September 27, 2009, 09:04:17 pm
Worth knowing PK. Cheers fella.  ;) Where did ya get yours from? Can i ask?

I got mine from www.gapswater.co.uk paid just over £300 but i`m sure they are cheaper now  ;)
PK
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leapstallbuildings

Re: Does anyone use a merlin 720 for instant water?
« Reply #8 on: September 28, 2009, 09:20:45 am »
It does depend on local conditions.  I have a merlin and got about 23 litres an hour from it when I last checked.  Water pressure is below the desired minimum of 40 PSI though.  TDS now climbed to about 024 once on a roll.  This is with restricted waste and low pressure though so I know I'm not using it anywhere near its best.  I think the low pressure is caused because the standpipe is over 100 metres from the mains outlet and is fed by half inch hose.
So long as it keeps ahead of me I don't care though.  It's fine for supplying a one man outfit that does mostly domestic.
I could probably tolerate it down to about 18 litres an hour before changing membranes.  The membranes are nearly four years old so will probably need replacing soon.  The pre-filters are to be changed again this week.
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