Noise from the faucet or drain can be caused by the air gap faucet, the location of the drain saddle, a restriction in the drain tube, or water pressure in excess of 85 psi.
- Some noise is caused during Start Up or after filter changes, when air is purged from the system. Once the air is expelled from the unit (usually after about 5 minutes) this noise should subside.
- Although the air gap faucet inherently makes some noise, this can be amplified if the water running from the drain saddle splashes into the water in the sink trap. This noise can be reduced by either moving the drain saddle to a greater height, or by securing a fishing line through the drain saddle and down into the sink trap, allowing the water to run down the side of the drain pipe.
- A restriction in the drain tube can be caused by debris from the dishwasher or garbage disposal. The tube can be unclogged by removing it and cleaning it with a wire or coathanger.
- If the water pressure is above 85 psi, a pressure regulator may be required.
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