Free Rotation Pool Vacuum Vac Lock Safety Wall Fitting W400BWHP, GW9530 Replacem
Replace Hayward W400BWHP, W400BBKP, W400BLGP. Also Fits Pentair Safety snap-lock wall fitting GW9530, K12500. Installation instruction: 1. Add silicone sealant to 1 1/2" male threads and hand turn into 1 1/2" female thread wall fitting already installed in the pool.