Question 1

Does this hook up before or after the RO unit?

Accepted Answer

It hooks up BEFORE the RO to provide extra boost to the system's pressure. I have a well and was lucky if  my water pressure was 35psi. This is  not enough for a RO to work properly and be able to supply at least 4-5 gallons an hour. With the watts Premier I get close to 55 psi and with a 100 gallon per day RO membrane ( don't bother with a 50 gal or 75 gal slower and not much difference money-wise ) I can fill a 5 gallon water bottle I about 75 minutes. I go thru about 15 -18 gallons a week with household and my Saltwater reef aquarium as far as water use. Great pump, American made, tough. I run it with just the water in the housing after forgetting to turn on the water on day, and there was no damage. I'm not saying to try to do this but just shows the quality of this USA made pump. So that's my short ( laugh ) answer to your question . It goes BEFORE the RO to feed water into the system under higher pressure. Hook you water supply to the pump first and then the output from the pump to the first stage of you RO system.

Question 2

I dont have a filtration system. I just want to raise the water from  my  lower level water tank  to my  upper level ice maker . Does this work for me 
the pressure from my water tank  is  extermly low.
(the height of  tank from the ground is not more tham 30 cm)

Accepted Answer

How do you know you water tank pressure is extremely low, have you checked it? Has a problem suddenly developed where previously there wasn't any?The storage tank uses a "Schrader" valve same as a car or bicycle tire. If I'm not mistaken most RO storage tanks should be maintained at about 7psi (check your tank label or instructions), if not the bladder inside the tank may be leaking or ruptured. Find a bicycle hand pump and a reliable air gauge. Remove all the water from the tank and check the pressure. If it's low pump it up to 7psi and refill with water. See if this doesn't help first since the pressure pump will help with the ice maker but not if the tank is incapable of maintaining the air pressure. Once you've established that it is not a storage tank problem, then I would verify if the ice maker is functioning properly. Depending on how old it is, it could be malfunctioning or possibly the water line is frozen, I've had this occur before.After you've satisfied yourself that everything is working correctly, then I would look at purchasing the pressure pump. Good luck and hope this helps...

Question 3

this items is no good i can return it

Accepted Answer

I would think you could but I love the product

Question 4

I don't have a RO filter, I have an under-the-sink Filtrete filter. Can I use this pump to give me more pressure?

Accepted Answer

You don't indicate what type of pump this is. Centrifugal etc. Any pump will raise your line pressure by whatever it's design boost is for flow. Bear in mind all pumps have a maximum operating pressure that comes into play when suction is other than a negative value. Most undersink units are diaphram pumps that should be suitable. It all depends on what the pump is capable of flow wise compared to flow through the membrane.

ASIN	B002XISS42
Best Sellers Rank	#620,712 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,027 in Under-Sink & Countertop Filtration
Date First Available	December 2, 2009
Item Weight	7.05 pounds
Item model number	WP560043
Manufacturer	Watts
Product Dimensions	10 x 6 x 6 inches

Watts Premier Water Filtration Booster Pump Kit for RO Reverse Osmosis Systems, Increases Water Flow, Includes Booster Pump, 110V Transformer, Tank Pressure Shutoff Switch, Fittings, Green Tubing

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