The LCN closer fluid "Liquid X" will perform without variation between:
-30° F to +120° F - for manual closers.
+35° F to +120° F - for electrical closers and automatic operators.
At around ...
Exit devices are not designed for exterior application.
If used in an exterior applications then a powder coated finish on the 33/35 and 98/99 series are recommended for exterior applications.
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