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Choose a system for demand dosing (to a gravity drainfield) or timed dosing (to a pressurized drainfield or mound)
One Kit Required for 12" and 18" Diameter Risers
McDonald 74753-33 Series Adapter Details
250 Max PSI (1/2" 150psi max)
Spears PVC Swing Check Valve 2.5" S1520-25FSR SR FIPT Threaded Manufacturers__Hydromatic Pump__Accessories Choose a system for demandSpears Utility Swing Check and spring assisted Utility Spring Check Valves offer a compact, high performance check valve for Landscape & Irrigation, Pool & Spa, Aquaculture, OEM and many general purpose applications. These maintenance free sealed units feature long life EPDM elastomer seats with weighted disc for full flow with minimal restriction and positive shutoff. Spring assisted Spring Check model incorporates a positive pressure spring to