SHARKBITE CHECK VALVE Spring loaded 1/2 sharkbite x 1/2 sharkbite IGC 188 and ANSI/NSF-61 certified Meets UPC, IPC and CUPC requirements Certified to 200 PSI and 200 degrees F For OD controlled copper, CPVC or Pex For potable and hydronic heating water distribution For easy inst allation arrow on body for direction of water flow