David Greenbaum
Member
I am planning to install an 6-stage RO filter under my sink. Seems relatively simple--will work off a shut-off valve from a cold line and have a waste line to the drain. Some complications, though, based on my under-sink set-up for which I have some questions. See picture attached with labels.
I have a separate cold water shut-off that services a two-stage filter that then goes to a hot water dispenser. I figure that I might as well have the 6-stage filter service a regular tap and the hot water dispenser and just get rid of the 2-stage. The company that makes the filter sells an ice maker kit that would allow me to split the line from the filter and I assume this would work fine for the hot water dispenser.
The issue I have is with the current set-up coming from the cold water to the filter/hot water. I am not sure what is the black line highlighted in green. It seems to go to the drain through a dedicated little pipe in the wall, but I'm not sure. So, I'm concerned about disassembling this set-up and putting the 6-stage in. Also, when it comes time to drain the new filter, I guess I can use this drain (if it is a drain) as opposed to cutting into the drain pipe?
Any thoughts would be appreciated.
I have a separate cold water shut-off that services a two-stage filter that then goes to a hot water dispenser. I figure that I might as well have the 6-stage filter service a regular tap and the hot water dispenser and just get rid of the 2-stage. The company that makes the filter sells an ice maker kit that would allow me to split the line from the filter and I assume this would work fine for the hot water dispenser.
The issue I have is with the current set-up coming from the cold water to the filter/hot water. I am not sure what is the black line highlighted in green. It seems to go to the drain through a dedicated little pipe in the wall, but I'm not sure. So, I'm concerned about disassembling this set-up and putting the 6-stage in. Also, when it comes time to drain the new filter, I guess I can use this drain (if it is a drain) as opposed to cutting into the drain pipe?
Any thoughts would be appreciated.