Pull the front-facing plunger pin on this jack to release the drop leg for 13-3/4" of lift on top of the 15" of screw travel. Durable screw offers increased strength. Sidewind crank (TJD-12000-HD) sold separately.
Replaces the control keypad on your MAXXAIR MaxxFan Plus roof vent. Works with 4700CN, 4700G, 4900G, 4700D, 4900D, 4700N, 4900N, 4700CN, 4751KS, 4951KS, 4951KSC, 74951KS, and 74751KS model fans.