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Replacement control panel for legacy barriers GARD4 and GARD6. ZL39B uses slow down microswitches. The later ZL392 uses an encoder input. Barrier arm speed is selected by moving transformer taps.
Learn MoreReplacement control panel for legacy barriers G4000 and G6000. ZL37 uses slow down microswitches. The later ZL392 uses an encoder input. Barrier arm speed is selected by moving transformer taps.
Click here to view the ZL37F manual
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