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Booster Pump

Kolbyskarwash

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What size booster pump should be on my spot free? 4 bays all running 2507 tips? It’s a super saver system with a sta rite pump but the model number plate has faded out and no longer visible. I will be replacing with another sta rite pump but would like more pressure to the bays than I had before the pump failed. (It’s the original pump that came on the system 17 years ago) Thanks in advance!
 
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MEP001

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I recommend a Procon 2500 series:


You'll need a bypass regulator that will adjust to a low pressure. I use this one:


This will run five bays at once with 2507 tips and maintain 250 PSI.
 

Kolbyskarwash

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I recommend a Procon 2500 series:


You'll need a bypass regulator that will adjust to a low pressure. I use this one:


This will run five bays at once with 2507 tips and maintain 250 PSI.
What motor do you recommend for this pump? Also if I understand this correct I will need to plumb a return back to my holding tank correct?
 

MEP001

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You can loop the bypass back to the inlet of the pump, I just prefer to send it to the tank. With a good contactor and a 1 or 2 second delay you hopefully won't have it sticking on, but if it does the pump will crater if it runs all night circulating the bypass. I've seen it many times, in fact the pump will heat 200 gallons of RO water to 100 degrees.

There's a 30% discount code posted in the Zoro thread - you won't beat that price for a motor and the couplers with that and the free shipping. Part numbers are G1264952, G0629675, G2360364 and G0338274. The last piece you'll need is the PPA10481C (Kleen-Rite part number) motor/pump coupler.
 

mjwalsh

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Is there a reason other than the cost difference to not use this stainless steel one from KR? It just seems like there may be enough gain going with stainless long term wise.


As far as the 30% post by me ... I think it is limited to what can be filtered & routed from this page ... not sure since that is the first time I have used Zoro Select.


There are still some 20% though. My postcard says PRESDAY2020m with $150 minimum expires 2-23-2020. Not sure if the postcard was an exclusive just for certain customers???
 
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MEP001

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The stainless pump won't last any longer pumping RO water. The only advantage is that it can be rebuilt over and over, but the kit or having it repaired by Procon costs more than a new brass pump.
 
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