How do I determine what cylinder is needed with the PHI products.


The standard 1-1/4" rim cylinder is used unless you have one of the following, in which case you will need a mortise cylinder with a straight cam.

  • 2300 Device (Apex)
  • 2310 has 1 mortise cylinder on the inside and 1 rim cylinder on the outside.
  • An alarm kit (ALK, ALW, WALW)
  • Delayed Egress (DE)
  • Cylinder Dogging (CD)
  • 2908 Trim (Apex)
  • 808 Trim (Reliant)
  • Olympian 300 series

Applies to

Apex 2000, Reliant, Olympian

Additional Information

When a mortise cylinder is used, the standard BEST 1E74-C4 is used.  This cylinder is 1 1/4' with a straight cam.

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