Medium #4 Spring Double Acting Concealed Overhead Door Closer (Jackson 20-330 Replace)

The Global Medium #4 Spring Double Acting Concealed Overhead Door Closer provides a compact, automatic overhead closing solution, ideal for store front applications. This unit is center-pivoted for single and double acting doors, utilizing temperature-sensitive hydraulic fluid to ensure consistent closure speed.

Constructed with a cast iron housing and high tensile steel components, this aluminum closer handles doors up to 41" wide and 175 lbs. It is designed to replace Jackson 20-330 and International 200 series closers.

Also available: Light Spring Size #3 - Heavy Spring Size #5 - Adjustable Spring Size - Closer Arms and Door Pivots - Jackson 20-330 Concealed Overhead Closer Assembly (with arm or door pivot)