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 (L), wherein the valve-element unit includes a U-turn valve element and a straight valve element 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 includes a straight passage 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 , wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis (L) 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 (L), wherein the valve-element unit includes a U-turn valve element and a straight valve element 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 includes a straight passage 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 , wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis (L) 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 , wherein the bracket is disposed between the first valve seat and the second valve seat in the direction of the axis (L) and includes a U-turn-valve-element pushing piece projecting to be directed to the second valve seat . <EOS>