3 inch and 1-1/2 inch is the standard size for RV sewer lines. For that we have the Valterra Y part # D50-2824 which has "hub fittings" on all ends that allows it to slip over the standard 3 inch pipe. For the 1-1/2 inch size we have the part # D50-2822. view full answer...
Thanks for the picture of your new Aliner, from that I can tell the trailer uses a standard a-frame trailer jack and the etrailer.com jack # EJ-3520-BBX would simply bolt right in place of what you currently have. view full answer...