RECOMMENDED PARTS:
35-150-3270 T-Ring, Hayward Northstar SP4000/4000X, Trap Body, pre-2008
88-375-1050 Lube Tube, Roper Products, 4oz, with PFTE
90-423-5368 O-Ring, Buna-N, 7-3/4" ID, 3/16" Cross Section, Generic