Automated peritoneal dialysis device

A peritoneal dialysis system comprising:

• a disposable tubing including a heater line tube for connecting to a heat dialysate bag, and a supply line tube for connecting to a supply dialysate bag;
• a female fitting connected to a first end of the heater line tube, wherein the female fitting configured to mate with a male fitting of the heat dialysate bag, wherein the female fitting includes a female shroud extending above a surface of the fluid path of the female fitting,
• wherein when the female fitting mates with the male fitting, the female shroud is positioned around a male shroud of the male fitting of the heat dialysate bag, wherein a fluid path of the male fitting is recessed within the male shroud,
• wherein when the female fitting mates with the male fitting, a circular disc extending from the male shroud is positioned within the female shroud;
• a heater unit, wherein the heater unit includes a heater bag enclosure for placement of the heat dialysate bag in contact with a heat plate, wherein the heater unit includes a tube housing;
• and
• a first junction connecting the heater line tube and the supply line tube, wherein the tube housing of the heater unit includes the first junction.