Tip & How-To about Fisher DD603B / DD603W / DD603H Dishwasher

Solve cross-draining problems with your Doule-Dishdrawer permanently!

Are you experiencing cross-draining problems with your older Fisher Paykel double dish drawer? Have you had a succession of technicians and service companies try to solve this problem, only to have it return again?
There is a reason this is happening to you and there is a way to fix it FOREVER.
In most cases, this problem can be traced to an improper installation. Fisher Paykel double-dishdrawers are in effect TWO dishwashers with two seperate drain hoses. Often times they are installed with an "air gap" which is required by many municipalities for code compliance. Installers who are used to installing "single" dishwashers often install a "single air gap" with a Y-adapter that connects both drawers to a single air gap, and to be fair, this is shown in the install instructions for the product. However it will usually not work for very long. The reason being, there is a small neoprene "check valve" in the base of the pump on both drawers. It is designed to keep the water from the last drain cycle from running back into the machine once the cycle stops. It was never designed to prevent the cross-drain condition. Over time the pressure from the water that wants to come from the other drawer will weaken that flap, causing it to "leak" and the result is when one drawer is run, the dirty water from one drawer drains partly into the other drawer. (YUCK!) Most techs will replace the flap, thinking they have solved the problem, and for awhile, yes, it will.
But this can get kind of expensive having to call for repairs every year or so.

The proper and permanent fix for this situation if to install a DUAL AIR GAP which can be purchased from Fisher Paykel parts: http://fisherpaykelparts.net/index.php?categoryid=1&productid=7



This device is totally "co-axial" in design and will not allow water from one drawer to get into the other. It also is "kosher" in that some Jewish families have a "meat" and "dairy" dishwasher and the two can never be mixed. If there is cross-draining going on, that is "not Kosher!" (pun yes, reality also!) This part will insure no cross-contamination.
These dual air gaps come with everything you need to replace a single air gap, and fit in the same hole. You can even transfer most decorative style covers that the customer may have on the single air gap (such as Bisque/Brushed Aluminum/Brass etc.) The feedback we have gotten from our own customers after instaling one of these is extremely positive, some going so far as to say it is like they have a new appliance, as it is now cleaning better than ever and there is no longer an objectionable odor coming from the drawer.

This is an excellent and PERMANENT code-compliant solution for cross-draining on older Fisher Paykel Dishdrawers. Try it. You'll like it!



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1answer

fisher paykel cross draining

As the drawers share a common outlet to the kitchen sink drain, it is the drain water from bottom drawer going to top drawer. Can happen if the drain hoses are not following the correct specifications for installation. An air gap kit is available to solve the problems.

Refer
http://www.genuineapplianceparts.net/product/WT50/WT50-Dual-Air-Gap-Kit/?preadd=action&key=WT50
0helpful
1answer

My Fisher & Paykel double dishwasher won't drain completely

It may be a blocked hose. First point to check is under the sink where the thin corrugated drain hose joins the sink drain. If it is a double dish drawer there will be two hoses, one black and one white. The black hose is usually from the top drawer. They are held on by spring clamps.
If this is not the problem, post again.
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3answers

DD-603 cycle and draining problems.

check your kitchen drain as it might be blocked or if you have a garbage disposal (kitchen insinkerator) make sure it is cleared before running the dishwasher.
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1answer

FP DD603 draining problem

This device will solve the issue of cross-draining between drawers on Fisher paykel double dish drawers.
http://fisherpaykelparts.net/index.php?categoryid=1&productid=7
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