My water dispenser and ice maker both are working, but pressure at the dispenser varies a lot from use to use. You can press the dispenser button twice just seconds apart and one time pressure is "normal" and the second time it is high. The high pressure is much more than you would want to fill a glass. Is there a pressure reducer or regulator somewhere in the water system and what part would I replace to repair it ?
ANSWER Hello Henry,
This sounds like there may be air in your plumbing. This will cause erratic pressure effects in the water dispense system since liquid cannot be compressed and a "gas" (air) can be compressed. It's kind of like putting a spring in the water system to propel the water out when the valve is opened since the air in the system builds excessive pressure. Of course the way to tell is that the air, as it comes out of the dispense tube, will cause the water being dispensed to "sputter" and it is obvious that air is coming out with the water.
Otherwise, this would have to be caused by varying water pressure applied to the unit from the home plumbing since the system on the unit only opens a valve and the pressure applied is allowed to pass through. In other words, the refrigerator does not have any component on it to "push" the water. The water comes out by the home plumbing water pressure pushing it through the machine. The unit itself has no way to regulate the water pressure. This is done by the city water system at the meter by the street or, in the case of a well, the water tank will have a pressure regulator on it.
Answered by AppliancePartsPros.com | Saturday, September 01, 2012