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Mark H

Merlin Tankless Reverse Osmosis

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Dave B


Collins water products


About 170 quid

Makes me about 1000l per day if needed and good quality

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Dave B

No as i have good pressure

Never measured it but ro kicks out at 4ppm from just about 300 (varies from 290-310)

I just leave the waste open a touch and it is fine

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Dave B

Realistically you could do 800l per day with the waste open about 1/4 and have low tds to go through di with no worries

I measueed it at 1000l per day in 20 hours with the waste shut by measuring how long for a 25l drum but it will be a little slower with the waste open a touch but prolongs the membrane life also

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Yip I have a Collins 450gpd worked faultlessly apart from a little leak I sorted in seconds for the last 4 months, changed the filters four weeks ago as recommended (very inexpensive) maybe not the fastest to filled a tank certainly does everything I need my tap water is 6.5 psi and take approx 4 hours to fill 200 litres.

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