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CA3300-BO Series Overhead Concealed Closer Adjustable Spring Tension (Body Only)

CA3300-BO Series Overhead Concealed Closer Adjustable Spring Tension (Body Only)

Your Price: $123.00
Retail Price:$164.00
You Save:$41.00(25%)
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Part Number:CA3300-BO

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Calibre CA3300 OHO Series Door Closer 

 CA3300-BO Series Overhead Concealed Closer Adjustable Spring Tension (Body Only)

Door Closer Functions: 

Built-in positive Back Stop and Hold-Open positions are available; 

Models: - Description 
CA3310 – 105° Back Stop with Hold-Open 

CA3311 – 105° Back Stop -NO Hold-Open 

CA3312 – 90° Back Stop with Hold-Open 

CA3313 – 90° Back Stop -NO Hold-Open 



  • Handicap (ADA) multi-sized closers with adjustable spring power for a range of sizes after installation. 

  • Underwriters' Laboratories Inc. Listed for units without hold open feature. UL10C for positive pressure and certified to conform to UBC 7.2 (1997) BS476 for Fire Safety. 

  • Adjustable CA3010-DP dual purpose radial ball-bearing bottom pivot set is for floor or threshold mounted (Side or End Loading) center pivoted installation,  must be ordered separately.

  • CA3010-G and CA3010-GE bottom pivot sets are optional, must be ordered separately.  

  • Universal application. Non-handed for left or right door application. 

  • Installs in an aluminum storefront header or transom as small as 1-3/4" x 4" 

  • Positive cam centering for alignment and to hold door closed against normal wind or draft conditions. 

  • Stable hydraulic door check fluid for any climatic operation and provides constant lubrication. 

  • The 3300-20 Series is the standard 3300 OHC door closer assembled with an Extended Spindle Shaft (17/64" longer than standard). 

  • Dual Speed Control Valves : 

  • Closing and Latching speeds controlled by separate regulating valves, adjustable after installation. 


ADA Opening Force Requirements 

Caution: Any manual door closer, installed and adjusted based on ADA or other reduced opening force requirements may not provide sufficient power to reliably close and latch the door. 


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