Your jacks are made to withstand thousands of pounds of pressure for both the extend and retract functions.
We have sold thousands of SnapPaps without any reports of leveling system problems, and many of our first customers have already bought another set for a new rig. In fact, Our EQ products are approved by Equalizer Leveling systems.
However, SnapPads are an aftermarket RV accessory and as such, it is the responsibility of the RV owner to ensure they are an appropriate and safe addition to their RV. If you read our reviews from our customers you will find that they believe that all the benefits offered by the installation of SnapPads far outweigh any risks.