is it safe for my ge profile dishwasher to be connected to the same faucet as a pull-out sprayer?

— asked by David

Quick answer: No, it is not safe to connect your GE Profile UDT165SSMSS portable dishwasher to a faucet equipped with a pull-out sprayer. The primary risk is "backflow" or cross-connection.

Diagnosis

No, it is not safe to connect your GE Profile UDT165SSMSS portable dishwasher to a faucet equipped with a pull-out sprayer. The primary risk is "backflow" or cross-connection. Because pull-out sprayers operate on a different internal pressure system and often lack the necessary vacuum breakers, dirty dishwasher water can be siphoned back into your home's clean potable water supply. Additionally, the physical architecture of a pull-out sprayer prevents the dishwasher's quick-connect adapter from forming a watertight, pressurized seal, which will lead to leaks or hose bursts.

How to Fix It

You must install the dishwasher adapter on a standard, stationary faucet aerator. Follow these steps:

  1. Unscrew the existing aerator from a standard stationary faucet spout.
  2. Insert the rubber sealing washer provided with your GE Profile kit into the dishwasher adapter.
  3. Thread the adapter onto the faucet spout and tighten firmly with pliers to ensure a leak-proof seal.
  4. Connect the dishwasher's inlet hose to the adapter using the quick-connect mechanism.
  5. Run the faucet for 30 seconds to clear any debris before starting the dishwasher cycle.

If That Didn't Work

If your kitchen only has one pull-out faucet, do not attempt to "rig" a Y-splitter. Instead, consider these alternatives:

  • Install a dedicated "pot filler" or a secondary small stationary faucet at the sink.
  • If the unit is being used semi-permanently, have a plumber install a dedicated shut-off valve and water line under the sink, bypassing the faucet entirely.
  • Use a different sink in the home (such as a utility or laundry sink) that features a standard threaded spout.

Heads Up

Always remember to disconnect the dishwasher hose from the faucet when the machine is not in use. Leaving the hose connected and the dishwasher off can put constant pressure on the adapter, increasing the risk of a blowout and flooding your kitchen.

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