A valve unit for a vehicle thermal management system, wherein the valve unit comprises a first valve body, a second valve body, and a housing structure, wherein the first valve body and the second valve body are arranged within the housing structure and rotatably arranged in relation to the housing structure between different valve positions around a common rotational axis, wherein the first valve body is connectable to an actuator for rotational displacement of the first valve body around the rotational axis, wherein the second valve body is connected to the first valve body via a spring, wherein the second valve body is configured for being rotatably displaced around the rotational axis by the spring upon rotational displacement of the first valve body, characterized in that the housing structure comprises a first inlet flow port, a second inlet flow port, a first outlet flow port, and a second outlet flow port, configured for connecting the housing structure to at least a first thermal control loop and a second thermal control loop, and configured for being in fluid communication with the first valve body; wherein the housing structure comprises a third inlet flow port, a fourth inlet flow port, a third outlet flow port, and a fourth outlet flow port, configured for connecting the housing structure to at least the first thermal control loop and the second thermal control loop, and configured for being in fluid communication with the second valve body, wherein the housing structure comprises a first mixing chamber arranged in connection to the first valve body and a second mixing chamber arranged in connection to the second valve body, wherein the first valve body comprises a first mixing flow channel, a second mixing flow channel, a third mixing flow channel, and a fourth mixing flow channel, wherein each mixing flow channel (12a, 12b, 12c, 12d) is configured for connecting any of the first inlet flow port, the second inlet flow port, the first outlet flow port, and the second outlet flow port to the first mixing chamber; wherein the second valve body comprises a fifth mixing flow channel, a sixth mixing flow channel, a seventh mixing flow channel, and an eight mixing flow channel, wherein each mixing flow channel (12e,12f,12g,12h) is configured for connecting any of the third inlet flow port, the fourth inlet flow port, the third outlet flow port, and the fourth outlet flow port to the second mixing chamber. wherein the second valve body is connected to the first valve body via a spring, wherein the second valve body is configured for being rotatably displaced around the rotational axis by the spring upon rotational displacement of the first valve body, characterized in that the housing structure comprises a first inlet flow port, a second inlet flow port, a first outlet flow port, and a second outlet flow port, configured for connecting the housing structure to at least a first thermal control loop and a second thermal control loop, and configured for being in fluid communication with the first valve body; wherein the housing structure comprises a third inlet flow port, a fourth inlet flow port, a third outlet flow port, and a fourth outlet flow port, configured for connecting the housing structure to at least the first thermal control loop and the second thermal control loop, and configured for being in fluid communication with the second valve body, wherein the housing structure comprises a first mixing chamber arranged in connection to the first valve body and a second mixing chamber arranged in connection to the second valve body, wherein the first valve body comprises a first mixing flow channel, a second mixing flow channel, a third mixing flow channel, and a fourth mixing flow channel, wherein each mixing flow channel (12a, 12b, 12c, 12d) is configured for connecting any of the first inlet flow port, the second inlet flow port, the first outlet flow port, and the second outlet flow port to the first mixing chamber; wherein the second valve body comprises a fifth mixing flow channel, a sixth mixing flow channel, a seventh mixing flow channel, and an eight mixing flow channel, wherein each mixing flow channel (12e,12f,12g,12h) is configured for connecting any of the third inlet flow port, the fourth inlet flow port, the third outlet flow port, and the fourth outlet flow port to the second mixing chamber.