Check the listing for details. Stainless Steel Hose Clamps for Solar Pool Heaters. Condition: New. Listed at 6.11 USD. Stainless steel hose clamps for both inground and above ground solar pool heating system connections. Used to secure system components such as rubber coupling hoses, pipe adapters, end caps and vacuum relief valves. Compatibility: Will work with any solar pool heating system that has round 1.5” or 2" I.D. header manifolds and makes attachments with rubber hose type connectors. Also available are hose clamps for 1.25" & 1.5" flex hose connections. MEASUREMENTS, SIZING & PRODUCT DATA 1.3" O.D. (1.25" Flex Hose): For 1.25" flex hose connections. Clamp Range: 13/16" - 1-3/4" (21 mm - 44 mm) 1.5" O.D. (1.5" Flex Hose): For 1.5" flex hose connections. Clamp Range: 1-5/16" - 2-1/4" (35 mm - 57 mm) 1.9" (1-7/8") O.D.: For solar pool panels containing a 1-1/2″ I.D. header (1.5″ manifold I.D. / 1.9″ manifold O.D.) Clamp Range: 1-9/16" - 2-1/2" (40 mm - 63 mm) 2.375" (2-3/8") O.D.: For solar pool panels containing a 2″ I.D. header (2″ manifold I.D. / 2.375″ manifold O.D.). Clamp Range: 2" - 3" (51 mm - 76 mm) Manufacturer: Solar Pool Supply MPN: 60003 60003-1 (1.9" (1-7/8") O.D. Header) 60003-2 (2.375" (2-3/8") O.D. Header)