Models Covered: 1.5″ MIP × 2″ Socket (UPC 849640000311 / Part # 21063-160-000) 2″ MIP × 2″ Socket (UPC 849640000366 / Part # 21063-200-000) Material: High-temperature CPVC / Noryl resin Color: Black Seal Type: Self-sealing T-gasket design — no thread tape or sealant required Connection Type: Male Iron Pipe Thread (MIP) × Socket (Slip) Temperature Rating: Designed for high-heat pool and spa systems Pressure Rating: Suitable for standard pool-system pressures (up to 150 psi) Chemical Resistance: Excellent resistance to chlorine, acids, and standard pool chemicals Application: For connecting pumps, heaters, filters, and other pool/spa equipment Installation Benefit: Allows easy equipment removal and re-installation without cutting plumbing Design: “Hi-Temp” body prevents warping or leaking under elevated temperature and pressure Usage Environment: In-ground pool, spa, or commercial aquatic systems Weight: Approx. 0.3–0.4 lb per union Dimensions: Fits standard Schedule 40 PVC plumbing Maintenance: Replace gasket if worn; inspect seal annually for best performance