527137 Fisher Paykel Dishwasher Drain Hose. Replacement drain hose kit for DD601 DD601 DD602 DS602 DD603 DS603 Series Dishdrawers. Does not include flap valve, 528625P which is sold separately. This is a SINGLE hose kit. Order 2 for double drawers if you wish to replace both hoses. DOES NOT FIT DD/DS605 MODELS. USE Part #522086 for those units.