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1ST Check Kit, C400/C500, 10"

First Check Kit for RP and RPDA Backflows, Red Silicone Check Disk

  • Factory replacement part
  • No special tools required for servicing
  • Includes first check assembly and check O-ring
  • Red silicone used on the check disk material

Compatible Assemblies

  • 10" Ames Colt C400 Reduced Pressure Zone Assembly
  • 10" Ames Colt C500 Reduced Pressure Zone Detector Assembly



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This 10 inch lead free repair kit is used for the Colt (TM) reduced pressure zone and detector assembly. The contents of this kit are used for proper maintenance to the first check parts. Red silicone is used on the check disk material. This kit consists of a first check assembly and a check O-ring.



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