i have read somewhere that the temperature of the inlet water for a ro
has a lot to do with the amount of waste water that is discharged from the unit. if i remember correctly, the ideal temperature was 77 degrees F.
that said, does anyone use a temperature regulator to mix the hot and cold water to get the inlet water to the proper temperature to reduce the waste stream? i have been looking around online for a point of use thermostatic mixing valve, but i cant find one that has a temperature range low enough. most only go as low as ~90 degrees. and hot water is the enemy to the ro