I have a whirlpool WHER25 reverseosmosis filtration system. It is designed with the drain hose going through the faucet! The water the filter needs to get rid of comes up RED hose to the faucet where it then sends it via black hose to the drain. Problem is that quite a bit of the water leaks from a breathing hole on the faucet...I have verified that there is nothing obstructing flow and have replaced EVERY component (I actually purchased a whole new system to replace pieces from! so this is the second system and still have same problem)
I'm sorry about the difficulties your having with your Reverse Osmosis system. I did some research for you at Managemylife.com and found an expert answer to a similar question that I hope will help until your expert can answer your specific question. I attached the link below. I hope the provided information is useful to you. If service is required, I have attached a link to Searshomeservices.com.
I am sure you know that there is an air gap inside the faucet for the RO system.The drain water from the red hose drips into a small drain pan the black hose connects to. If the small drain pan has algae inside it, the drain water will overflow the small pan and run out of the weep hole in the faucet base.If the drain fitting that I assume is installed in the drain line under the sink gets restricted, water will back up in the black hose and overflow the small pan. This water will run out the weep hole in the base also. I suspect you have either algae built up in the small drain pan inside the faucet base, or a restricted drain adapter on the drain line under the sink.If you have questions or comments, reply on this thread and I will be glad to help.
Hi, I have the same exact model. This is my series of things I did : Checked the black drain tube. It was clogged, and I removed it, and totally cleared it out nicely, ran water through it just fine after it was cleared. Also cleaned out the adapter it dumps water into that leads to the main drain. checked the red and blue tubes. When I turn the water on, water does come thru them. Took out the plastic insert on the bottom of the faucet, cleaned it up, made sure that both O rings were on snug, carefully pushed it back in, put the screw back in. Water still comes out of the little air gap hole. Am I missing something here? After calling whirlpool today they mentioned almost everything I had already done. In addition they asked to make sure the orange restrictor is still in the red tube where it connects to the RO unit. I found that in my unit, the red tube runs to a a little elbow, which attaches to the RO unit. between the elbow and the RO unit I think I see the little orange restrictor in the hole. Not sure if I need to remove it from the hole and stick it in the elbow though. If I do need to remove it, might need tweezers to get it out. It came from the factory already attached. I hope this gives enough description and can help me figure out my problem, thanks!
Mike, it sounds like you did what you should when you cleaned the drain hose and the fitting for the house drain connection. Be sure the fitting on the drain pipe doesn't have any blockage inside that can cause water to back up. Be sure the drain hose flows down continuously. If the drain hose has a dip in it, water will back up. It doesn't matter where the drain restrictor is located in the red line. If the restrictor is missing, too much water will flow to the faucet drain and cause it to overflow. I am sending you an image that shows the air break inside the faucet base. There might be some algae built up in the small pan the water drips into causing a leak. You can usually solve this by blowing air up the black hose into the faucet. Cover the faucet with a cloth if you do this as it might blow algae onto the countertop and sink. Worst case scenario, you might need to replace the faucet.
I run into same issue of water leaking from faucetís breather hole. It turns about to be an issue with clogged black hose. Thank you all for your inputs. After cleaning the black hose, make sure to remove the adaptor and check for debris. Your P trap, adapter and black hose needs to clean from any debris to allow free flow of extra water. However I didn't figure out why water flows continuously in red/black hose. I guess itís the whirlpool design to allow extra water to flow out from red and then black hose. I am not sure whether flow of water stops when the filter is not in use.
Srini, water runs through the RO system and down the drain whenever the system is making and storing RO water. There is a cut off in the RO system that stops the water from running through the drain when the storage tank is full. The water cut off is done by items 11 and 12 in the parts diagram. If water is running down the drain continually, the problem is usually the diaphragm kit (item 11).
Peter, disconnect the black drain hose from the house drain. Clean the inside of the drain fitting and the inside of the black hose. A pipe cleaner works well for this purpose. The reason the faucet leaks water is because the drain hose is restricted. Water backs up in the black drain hose and overflows the air gap inside the faucet base.
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