Once installed, they provide safe and convenient access to storage areas and generator compartments. Kit sizes are based on door height and width and include all the components required to lift one side of an RV door. Doors over 27" wide – purchase two kits. The kits provide for an operating angle of between 90 and 170 degrees approximate.
In regards to door width, doors up to 27" wide order 1 kit, while doors over 27" order 2 of the appropriate kit.
So if your door is 28"W x 54"H, a kit is not available due to the height of the door. But if your door is 28"H x 54"W, you will want to order 2 quantities of the Medium kit SKU#66721.
by Camping World – May 11, 2016
Hatchlifts are retrofit hydraulic lift kits designed for installation on lightweight RV doors.
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