Abstract: Apparatus, systems, and methods for connecting components are described. The components may be drive controls and motors of pumps of water-circulation systems needing to be connected both mechanically and electrically. The connectors may be robust and have alignment, sealing, and keying capabilities.

Abstract: Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Other devices may be configured wirelessly, without need of any USB connection or SD card. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.

Abstract: Automatic swimming pool cleaners and components thereof are described. The cleaners may provide dual filtration of debris suspended in water of pools as well as a fluid path allowing some water to by-pass one of the two filters. They also may include any of all components such as multi-section inlet tubes, Venturi jets, nozzles exhausting water onto rotatable vanes, brushes, downforce turbines, and mechanisms for adjusting water flow through thrust jets or sweep tails.

Abstract: Motor housings and shrouds are detailed. Inlets of the shrouds may be included on any or all portions of their peripheries (as well as on rears of shrouds if desired). Air hence need not necessarily be drawn wholly linearly into the shrouds, permitting the shrouds to abut, or at least be closely proximate, other objects without materially diminishing air flow into the shrouds. Moreover, plates within the shrouds may be positioned so as to create torturous paths through which the air must travel. Channeling air through these torturous paths helps reduce noise as the air moves to the fans.

Abstract: Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.

Abstract: A chemical injector for use with a pool system can include an assembly having a disposable chemical container (214) and a pump (106,216). The disposable chemical container can fluidly seal a chemical in an inner volume of the disposable chemical container. The pump can be coupled to the disposable chemical container for injecting the chemical into the fluid flow of the pool system.

Abstract: Control boxes with segregated low- and high-voltage components are described. Service technicians (or others) requiring access to one set of components may do so without necessarily accessing the other set. Dual user interfaces may be utilized, further, with one interface being present at the control box and the other being remote therefrom.

Abstract: Chlorinators with multiple spaced gas traps and flow sensors are detailed. The sensors also may be protected, at least somewhat, from contact with scale build ups by interposition of a mechanical barrier. Ramps or other geometric restrictions may be used to increase water flow to some or all of the gas traps. Additionally, the chlorinator housing may be configured so as to route, or focus, gases toward a small-sized, high point thereof.

Abstract: Systems and methods for controlling power on a communication network bus connecting an auxiliary device and a control device in a pool or spa system. The control device includes a power source for providing voltage to the device and a power detector. The auxiliary device can provide additional voltage to the control device via the communication network bus. The power detector may be capable of detecting voltage received by the control device via the communication network bus. The power detector may also be capable of detecting traffic (e.g., communication) by the control device or the auxiliary device via the bus and/or data collision on the bus. The power detector is configured to enable or disable the power source of the control device based on voltage detected on the communication network bus, traffic detected on the communication network bus, and/or data collision detected on the communication network bus.

Abstract: Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.

Abstract: Methods and systems for effecting electronic communication to, from, and within salt water chlorinators (SWCs) are detailed. Information relating to operating times of SWCs at different levels of energization may be obtained, as may information respecting authenticity of the SWCs themselves. Two-way serial communication may be established between a master device and an SWC, with the master also supplying power to the SWC if needed.

Abstract: A bubbler assembly including a pipe that telescopes relative to a surface of a pool or spa such that an exit opening of the bubbler is closer to the water surface than is conventionally possible. When in the initial position, a first end of the telescoping pipe is flush or substantially flush with the surface of the pool or the spa. When in the extended position, the first end of the telescoping pipe is adjacent the water surface, which is spaced apart from the surface of the pool or spa. By transferring the exit opening of the bubbler to a location adjacent the water surface, the plume need travel only a small distance through the main body of water before penetrating the water surface.

Abstract: Equipment and methods facilitating suitable orientation of salt-water chlorinators (SWCs) relative to the gravitational field of the Earth are detailed. So orienting an SWC in this manner reduces risk that the volume defined by its gas trap would not be accessible to hydrogen gas generated by the SWC in use. An accelerometer may be employed in connection with the SWC to assist in assessing orientation of the SWC relative to the gravitational field of the Earth.

Abstract: Described are cleaning devices intended for immersion in water of swimming pools and spas. The devices beneficially may be pressure-side cleaners attached indirectly to outlets of water-circulation pumps. The supply of pressurized water travelling from a pump to such a device may be employed for various purposes, including directing debris-laden water to or near tops of debris collection chambers. The water exiting nozzles associated with the devices may push, rather than pull, the debris-laden water toward the collection chambers. Some nozzles may be oriented approximately parallel to a to-be-cleaned pool surface, and curved tubes may be employed to direct water and debris flow to perimeters of the cleaners.

Abstract: Aspects of lighting assemblies principally for pools and spas are addressed. The assemblies may be configured to operate without penetrating housings thereof, thus not adversely impacting waterproof characteristics of the housings. This result is especially beneficial when the housings are installed underwater within pools or spas.

Abstract: A chemical injector for use with a pool system can include an assembly having a disposable chemical container (214) and a pump (106,216). The disposable chemical container can fluidly seal a chemical in an inner volume of the disposable chemical container. The pump can be coupled to the disposable chemical container for injecting the chemical into the fluid flow of the pool system.

Abstract: Detailed are actuators especially useful in connection with valves forming parts of water-recirculation systems of pools or spas. Transit times of components of the actuators may be measured or otherwise determined and signals sent to the actuators to cease movement of the components between boundary positions. Consequently, dynamic adjustment of the valving capabilities of the systems may be achieved.

Abstract: Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.

Abstract: Swimming pool cleaners are detailed with filtration components attached at the rears of their bodies. At least some of the components may be external to a body, rather than within it, so as to provide greater surface area for filtered water to exit. They also may allow users to view the quantity of debris trapped in the filter without having to dissemble the cleaner. By contrast with many existing external filter bags, moreover, the components need not protrude materially above (or below) the heights of the bodies, hence avoiding creation of hydraulic drag as the cleaners move within pools, spas, or other liquid-containing vessels.

Abstract: A header for a heat exchanger orients the position of an inlet port at an angle offset from the position of the outlet port on the header body in order to simplify the plumbing of the header within a system. In one implementation of a header for a heat exchanger, the header forms a header cavity defined by an external wall and which is separated into an inlet chamber and an outlet chamber by a dividing wall. An inlet port is defined within the external wall and is in fluid communication with the inlet chamber. Similarly, an outlet port is defined within the external wall and is in fluid communication with the outlet chamber. The inlet port is oriented on the external wall at an offset angle with respect to a position of the outlet port.