1 x D29 uwf Universal wall mounted Quick disconnect connector and 1 x 9-100-9002 relief valve and 6-500-00 Universal wall mounted The D29 uwf quick disconnect connector replaces part number 25563-029-000, D29, pol2017561 and is fitted with a rubber O-ring to ensure a tight connection with the universal well connector For Polaris 180, 280, and 380 Automatic Pool Cleaners These components are made of rugged, wear-resistant ABS plastic and are well-tested by the manufacturer to ensure durability and a long service life