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“ where can i buy lcn liquid x fluid ”

RELATED FAQS

Question
Answer
What is the LCN fluid - "Liquid X" - temperature range?
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 ...
Can the fluid in an LCN door closer be filled out in the field?
The fluid in an LCN closer must not be refilled in the field. See attached Warranty and Repair Communication 
Do I need to order the LCN 4040XP closer X ST-3596 to get the cover screw to secure the snap on cover to the cylinder?
No.  As of June 27th, 2018--- the cover screw is now standard in the screw packs for the 4040XP, 4040XPT, 4000T, and 4040SE so ST-3596 is no longer needed.    
ULTRA LIQUID X
closer fluid, fluid, all weather fluid