RO unit parts

P

peircer

New member
I just bought an RO unit (Kent Marine) off Ebay, it looks fine, but it's missing a lot of the hoses. I found the manual and replacement membranes and stuff on Kent's website, but does anyone know where to get the hoses and the screw on connectors?
 
Excellent, thanks. I never had to find all this stuff for freshwater before....

By the way, I sent you a PM about your clownfish, I don't know if you got it.

thanks
 
You can find almost all of the connectors and hose and stuff and HD or Lowe's. Those parts are cheap it would be a waste to mailorder $4 of parts for $8 worth of shipping.

Good luck.
 
I'd agree on getting the connectors and such locally. Also the membrane etc should be interchangable, they'll be much cheaper from the filterguys.com than from Kent Marine.
 
If you don't have a TDS meter I would order one when you get your filters, it will help give you an idea when to replace them.
 
Also if your replacing your membrane it doesn't have to be the same gpd, in fact if you have a 100gpd and you wouldn't ever need close to that you could go smaller and your output would be purer longer.
 
rc1214.. what do you mean, I was under the impression that the larger units and membranes had more life in them [in terms of how much gallonage output per filter]
 
Membranes have only x amount of gallons they can produce before they start to foul. Most membranes are the same when it comes to that, whether it's 75 or 100 etc. Say they are all rated for 3000 gallons, with the 100 you can hit is sooner if you use it, that doesn't mean it's better or worse but it works better for your application.
What I'm talking about is that in some membranes the 100 actually doesn't produce quite the same quality as a smaller one. It allows more through to hit the higher gpd. The more product or waste in x amount of time means less quality product. Lots of membranes are say 96% in 75 gpd and a little lower at 100. It basically just uses up your DI more. I just figure why not go for a little better rejection rate and save money at the same time. Now if you need the higher gpd then go fo it, it will be plenty good.
 
<a href=showthread.php?s=&postid=8660382#post8660382 target=_blank>Originally posted</a> by matt the fiddler
rc1214.. what do you mean, I was under the impression that the larger units and membranes had more life in them [in terms of how much gallonage output per filter]
Click to expand...

that may be true but the rejecton rate over a 100gpd membrane which is somewhere around 90% over a 75 gpd membrane which is 98% so the 75 gpd membrane also filers much more better than a 100gpd one
 
correction, the more product or less waste in x amount of time usually means less quality, didn't want to confuse anyone
 
makes sense.. i will have to check that out- i have a large [120 gpd 6 stage] system that is two years old. My TDS still gets down to 4-6 once it warms up... i have been waiting for it to die for over a year.. that was with rock island water.. Moline water now is getting me even less TDS than before [i think a bit cleaner]

btw. what is the conclusion on running warmer water and the effect on the purity of the filtering? I know it nearly tripples the output, and I am able to put that warmer water in now...
 
I would stick close to the psi and temp rating that gives the membrane it's specs. I believe most are in the mid 70's for temp so a small heater while your container is filling should get it close pretty quick, plus if your using more hot water I'm sure your energy bill will show it at the end of the month!
 
i don't pay for hot water or heat :) love that part of my apartment...

but.. in my old club [indmas] one of the board directors works as a water purfication engineer.. he runs a water softener before [sodium is an easier ion to remove] and then runs warm water through [105+ will cook your membrane] to get more volume... i was impressed when I tried it...
 
Interesting...I've always heard that a little cooler water gives a little better tds as long as water pressure stays the same. Have you tried measuring tds at say low 70's to higer temp, what do you run it at by the way?
 
Matt, if you try measuring the temp to tds experiment take a tds reading right out of the ro not after the di.
 
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