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it holds prime by preventing water from draining back when the pump shuts off protecting your pump from dry-run damage and eliminating time-consuming re-priming between sets
Also Available: 18-degree trajectory version (10279-118) and Nelson F100 series
The socket x socket (Soc x Soc) design uses solvent cement for a permanent
Frequently Bought Together: Commonly ordered with Pump Suction Hose
521T10 - Brass Swing Check Valve, 3" 100 PSI -Solvent Weld it holds prime by preventing521T10 Brass Swing Check Valve, 3". Prevents backflow in 3" irrigation mainlines. In stock at Discount Irrigation. Order online from Discount Irrigation fast shipping on irrigation parts and supplies.
