A whirlpool bathtub system includes a basin having a plurality of nozzles, a water feed line connected to the plurality of nozzles, an air feed line connected to the plurality of nozzles, a pump configured to circulate water to the basin through the water feed line, and a blower having an off condition and an on condition, the blower being configured to provide air to the basin through the air feed line. When the blower is in the off condition, the blower is configured to allow air to flow into the air feed line. When the blower is in the on condition, the blower is configured to increase the flow of air flowing into the air feed line.

An automatic pipe clean system for massage bath equipment includes a bathtub, a water-filling pipe, a water-draining pipe, a suction pipe, a pump pipe, a pump connected between the suction pipe and the pump pipe, an automatic water-filling pipe, a water-filling valve and a controller. The controller is configured to: in a cleaning stage: turn on the pump to allow the water to pass and clean the suction pipe and the pump pipe; and in a drying stage: turn on the pump to allow the water to drain out from the suction pipe and the pump pipe; and turn off the pump.

An automatic pipe clean system for massage bath equipment includes a bathtub, a water-filling pipe, a water-draining pipe, a suction pipe, a pump pipe, a pump connected between the suction pipe and the pump pipe, an automatic water-filling pipe, a water-filling valve and a controller. The controller is configured to: in a cleaning stage: turn on the pump to allow the water to pass and clean the suction pipe and the pump pipe; and in a drying stage: turn on the pump to allow the water to drain out from the suction pipe and the pump pipe; and turn off the pump.

The apparatus according to the invention is adapted for transcutaneous treatment by gas. The apparatus (10) comprises a rigid-wall cabinet (20) and having an upper opening and at least one openable panel, wherein a seat (25) is arranged inside the cabinet (20), and the cabinet (20) comprises at least one gas concentration measurement unit (29a), and the cabinet (20) further comprises a gas inlet (30) for feeding the treatment gas and a gas outlet (31) for discharging the treatment gas; a gas supply unit (40) coupled to the gas inlet (30) of the cabinet (20) via a pipe (41) and through an interposed controllable valve (42); and a gas tank (50) connected to the gas supply unit (40). The apparatus further comprises a ventilation unit (60) connected to the gas outlet (31) of the cabinet (20) through an interposed controllable valve (63), said ventilation unit (60) being coupled via a further pipe (62) to a space (70) hermetically separated from the room containing the cabinet (20), and wherein said ventilation unit (60) is designed so that it can discharge the entire volume of the treatment gas from the inner space of the cabinet (20) within at most 5 seconds. The apparatus further comprises a control unit (80) for receiving the signals of the gas concentration measurement unit (29a) and for controlling operation of the valves (42, 63) and said ventilation unit (60) based on at least the signals of the gas concentration measurement unit (29a).

An automatic pipe clean system for massage bath equipment includes a bathtub, a water-filling pipe, a water-draining pipe, a suction pipe, a pump pipe, a pump connected between the suction pipe and the pump pipe, an automatic water-filling pipe, a water-filling valve and a controller. The controller is configured to: in a cleaning stage: turn on the pump to allow the water to pass and clean the suction pipe and the pump pipe; and in a drying stage: turn on the pump to allow the water to drain out from the suction pipe and the pump pipe; and turn off the pump.

A method of purging a whirlpool bathtub includes providing a pump having an off condition and an on condition, the pump configured to circulate water to a basin through a water feed line. The method further includes providing a blower having an off condition and an on condition, the blower configured to provide air to the basin through an air feed line. The method further includes turning the blower to the on condition and the pump to the off condition, and introducing at least a portion of the air from the blower into the water feed line.

A method of purging a whirlpool bathtub includes providing a pump having an off condition and an on condition, the pump configured to circulate water to a basin through a water feed line. The method further includes providing a blower having an off condition and an on condition, the blower configured to provide air to the basin through an air feed line. The method further includes turning the blower to the on condition and the pump to the off condition, and introducing at least a portion of the air from the blower into the water feed line.

An automatic pipe clean system for massage bath equipment includes a bathtub, a water-filling pipe, a water-draining pipe, a suction pipe, a pump pipe, a pump connected between the suction pipe and the pump pipe, an automatic water-filling pipe, a water-filling valve and a controller. The controller is configured to: in a cleaning stage: turn on the pump to allow the water to pass and clean the suction pipe and the pump pipe; and in a drying stage: turn on the pump to allow the water to drain out from the suction pipe and the pump pipe; and turn off the pump.