A pool cleaner (1, 1') configured to clean a pool, the pool cleaner comprising: a housing (11, 11') having a through-hole (111, 111'); a flexible water inlet hose (3, 3'); a hydraulic driving assembly (12, 12') including a water inlet (121, 121'); at least one traction assembly (16, 16') operably coupled to the driving assembly (12, 12'); and a joint (2, 2') extending through the through-hole (111, 111') of the housing (11, 11') and including an upper end (28, 28') in fluid communication with the water inlet hose (3, 3') and a lower end (26, 26') in fluid communication with the water inlet (121, 121'); wherein the pool cleaner (1, 1') has: a rotatable configuration in which the flexible water inlet hose (3, 3') and the joint (2, 2') are coupled together and rotatable together relative to the housing (11, 11'); and a locked configuration in which one of the joint (2, 2') and the water inlet hose (3, 3') is a locked component that is restricted from rotating relative to the housing (11, 11') and the other of the joint (2, 2') and the water inlet hose (3, 3') is a rotatable component that is rotatable relative to the housing (11, 11'), wherein the joint (2, 2') and the water inlet hose (3, 3') are selectively coupled together via rotation of the rotatable component relative to the locked component in the locked configuration. a housing (11, 11') having a through-hole (111, 111'); a flexible water inlet hose (3, 3'); a hydraulic driving assembly (12, 12') including a water inlet (121, 121'); at least one traction assembly (16, 16') operably coupled to the driving assembly (12, 12'); and a joint (2, 2') extending through the through-hole (111, 111') of the housing (11, 11') and including an upper end (28, 28') in fluid communication with the water inlet hose (3, 3') and a lower end (26, 26') in fluid communication with the water inlet (121, 121'); wherein the pool cleaner (1, 1') has: a rotatable configuration in which the flexible water inlet hose (3, 3') and the joint (2, 2') are coupled together and rotatable together relative to the housing (11, 11'); and a locked configuration in which one of the joint (2, 2') and the water inlet hose (3, 3') is a locked component that is restricted from rotating relative to the housing (11, 11') and the other of the joint (2, 2') and the water inlet hose (3, 3') is a rotatable component that is rotatable relative to the housing (11, 11'), wherein the joint (2, 2') and the water inlet hose (3, 3') are selectively coupled together via rotation of the rotatable component relative to the locked component in the locked configuration. a rotatable configuration in which the flexible water inlet hose (3, 3') and the joint (2, 2') are coupled together and rotatable together relative to the housing (11, 11'); and a locked configuration in which one of the joint (2, 2') and the water inlet hose (3, 3') is a locked component that is restricted from rotating relative to the housing (11, 11') and the other of the joint (2, 2') and the water inlet hose (3, 3') is a rotatable component that is rotatable relative to the housing (11, 11'), wherein the joint (2, 2') and the water inlet hose (3, 3') are selectively coupled together via rotation of the rotatable component relative to the locked component in the locked configuration.