A channel switching valve comprising: a cylindrical valve housing; a first valve seat disposed in the valve housing; a second valve seat disposed in the valve housing to face the first valve seat; and a valve-element unit disposed between the first valve seat and the second valve seat so as to be slidable in a direction of an axis, wherein the valve-element unit includes a U-turn valve element and a straight valve element (30, 40) separate from the U-turn valve element, wherein the U-turn valve element includes a first U-turn passage that makes two ports among a plurality of ports (pA, pB, pF) disposed in the first valve seat be in communication with each other and a second U-turn passage that makes two ports among a plurality of ports (pC, pD, pE) disposed in the second valve seat be in communication with each other, and wherein the straight valve element (30, 40) includes a straight passage (36, 46) that makes a port among the plurality of ports (pB, pF) disposed in the first valve seat and a port among the plurality of ports (pC, pE) disposed in the second valve seat be in communication with each other; wherein the U-turn valve element is spaced from the first valve seat and disposed in contact with the second valve seat; wherein the channel switching valve is characterized by comprising: a bracket that holds the U-turn valve element and the straight valve element (30, 40), wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis and includes a U-turn-valve-element pushing piece projecting to be directed to the second valve seat. a cylindrical valve housing; a first valve seat disposed in the valve housing; a second valve seat disposed in the valve housing to face the first valve seat; and a valve-element unit disposed between the first valve seat and the second valve seat so as to be slidable in a direction of an axis, wherein the valve-element unit includes a U-turn valve element and a straight valve element (30, 40) separate from the U-turn valve element, wherein the U-turn valve element includes a first U-turn passage that makes two ports among a plurality of ports (pA, pB, pF) disposed in the first valve seat be in communication with each other and a second U-turn passage that makes two ports among a plurality of ports (pC, pD, pE) disposed in the second valve seat be in communication with each other, and wherein the straight valve element (30, 40) includes a straight passage (36, 46) that makes a port among the plurality of ports (pB, pF) disposed in the first valve seat and a port among the plurality of ports (pC, pE) disposed in the second valve seat be in communication with each other; wherein the U-turn valve element is spaced from the first valve seat and disposed in contact with the second valve seat; wherein the channel switching valve is characterized by comprising: a bracket that holds the U-turn valve element and the straight valve element (30, 40), wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis and includes a U-turn-valve-element pushing piece projecting to be directed to the second valve seat. a bracket that holds the U-turn valve element and the straight valve element (30, 40), wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis and includes a U-turn-valve-element pushing piece projecting to be directed to the second valve seat.