There you go, Good input from end users. I myself prefer yale but then again we run a lot of Lp units. If you can Buy new. The most important thing is to go with the brand recommended maint. The mfgrs really know what is needed to be done and at what intervals. Good maint not only keeps your costs down but also increases safety for the user. Price= what you pay for it Cost= your maint to keep it going. Over the long run good maint pays for itself many times over