Jayco Alante 2023 Winterize the Macerator System User Manual Winterize the Macerator System Caution Water can accumulate in the flexible hose and dump connector of the macerator system. When winterizing the RV, antifreeze must be added to the macerator system. Ensure all tanks are empty Pour RV antifreeze into the toilet and down into the … Continue reading Jayco Alante 2023 Winterize Macerator System User Manual