An apparatus for managing liquid flow associated with a tissue site, the apparatus comprising: a first valve (118, 218) in fluid communication with a reduced-pressure source, the first valve (118, 218) movable between an open position and a closed position, wherein the first valve (118, 218) is operable to be activated based on a presence of reduced pressure; a second valve (127, 227) in fluid communication with the reduced-pressure source, the second valve (127, 227) movable between an open position and a closed position, wherein the second valve (127, 227) is operable to be activated based on the presence of reduced pressure; wherein at least one of the first valve (118, 218) and the second valve (127, 227) is in the closed position to obstruct a flow of a liquid when experiencing reduced pressure; a reservoir (124, 224) fluidly coupled to the first valve (118, 218) and the second valve (127, 227), the reservoir (124, 224) operable to contain a liquid when the second valve (127, 227) is in the closed position; and a reduced-pressure conduit (121, 221) in fluid communication with the first valve (118, 218) and the second valve (127, 227), wherein the reduced-pressure conduit is operable to transmit reduced pressure from the tissue site to the first valve (118, 218) and the second valve (127, 227); wherein the first valve (118, 218) moves from the closed position to the open position in the presence of reduced pressure at the first valve (118, 218); wherein the first valve (118, 218) moves from the open position to the closed position in an absence of reduced pressure at the first valve (118, 218); wherein the second valve (127, 227) moves from the open position to the closed position in the presence of reduced pressure at the second valve (127, 227); and wherein the second valve (127, 227) moves from the closed position to the open position in an absence of reduced pressure at the second valve (127, 227). a first valve (118, 218) in fluid communication with a reduced-pressure source, the first valve (118, 218) movable between an open position and a closed position, wherein the first valve (118, 218) is operable to be activated based on a presence of reduced pressure; a second valve (127, 227) in fluid communication with the reduced-pressure source, the second valve (127, 227) movable between an open position and a closed position, wherein the second valve (127, 227) is operable to be activated based on the presence of reduced pressure; wherein at least one of the first valve (118, 218) and the second valve (127, 227) is in the closed position to obstruct a flow of a liquid when experiencing reduced pressure; a reservoir (124, 224) fluidly coupled to the first valve (118, 218) and the second valve (127, 227), the reservoir (124, 224) operable to contain a liquid when the second valve (127, 227) is in the closed position; and a reduced-pressure conduit (121, 221) in fluid communication with the first valve (118, 218) and the second valve (127, 227), wherein the reduced-pressure conduit is operable to transmit reduced pressure from the tissue site to the first valve (118, 218) and the second valve (127, 227); wherein the first valve (118, 218) moves from the closed position to the open position in the presence of reduced pressure at the first valve (118, 218); wherein the first valve (118, 218) moves from the open position to the closed position in an absence of reduced pressure at the first valve (118, 218); wherein the second valve (127, 227) moves from the open position to the closed position in the presence of reduced pressure at the second valve (127, 227); and wherein the second valve (127, 227) moves from the closed position to the open position in an absence of reduced pressure at the second valve (127, 227).