Abstract: A housing for an in-floor swimming pool cleaning nozzle includes a first end with connection lugs configured to receive and engage corresponding lugs on an in-floor swimming pool nozzle, and a second end with a wall extending axially with a leading edge having a thickness that narrows from the leading edge toward a ledge. The thickness narrows due to a beveled outer surface of the wall and presents a smaller leading edge that shows less than a non-beveled leading edge when placed in a floor of a swimming pool.

Abstract: A pool return fitting assembly with a pool return body, a pool return cover with an opening aligned with the pool return body's opening. The outer surface of the pool return cover may include an uneven surface bordering the opening with barriers projecting out from the pool return cover away from the pool return body, the barriers separated by channels in fluid communication with the opening through the pool return cover. A fin is positioned within the opening of the pool return cover and tapers towards the interior surface of the pool return body as the fin extends farther away from the pool return cover.

Abstract: Swimming pool in-floor cleaning heads may be used to variably clean a swimming pool floor by raising a nozzle head positioned on a step of the swimming pool under water and having at least first and second nozzle openings directed in different directions toward surfaces of the step, and simultaneously ejecting first and second streams of water from the first and second nozzle openings toward, respective, first and second portions of the step, variably rotating the nozzle head in a first rotational direction, retracting the nozzle head flush with an inner surface of the swimming pool, and in some cases incrementally rotating the nozzle head in a second direction, opposite the first direction.

Abstract: A pool skimmer including a skimmer housing and a venturi system is disclosed. The skimmer housing includes a pool throat opening, an angled pool throat extension. A pump inlet port into the skimmer housing includes an upper end and bayonet lugs, and an internally threaded surface between the bayonet lugs and the upper end of the pump inlet port. A nozzle comprises a nozzle housing with bayonets on an external surface of the nozzle housing, the bayonets releasably engaged with the bayonet lugs of the pump inlet port, wherein when the bayonets of the nozzle housing are in a fully tightened position in relation to the bayonet lugs of the pump inlet port, the at least a first nozzle is directed to spray toward the pool return port of the skimmer housing.

Abstract: A pool return fitting assembly with a pool return body, a pool return cover with an opening aligned with the pool return body's opening. The outer surface of the pool return cover may include an uneven surface bordering the opening with barriers projecting out from the pool return cover away from the pool return body, the barriers separated by channels in fluid communication with the opening through the pool return cover. A fin is positioned within the opening of the pool return cover and tapers towards the interior surface of the pool return body as the fin extends farther away from the pool return cover.

Abstract: Swimming pool in-floor cleaning heads may be used to variably clean a swimming pool floor by raising a nozzle head positioned on a step of the swimming pool under water and having at least first and second nozzle openings directed in different directions toward surfaces of the step, and simultaneously ejecting first and second streams of water from the first and second nozzle openings toward, respective, first and second portions of the step, variably rotating the nozzle head in a first rotational direction, retracting the nozzle head flush with an inner surface of the swimming pool, and in some cases incrementally rotating the nozzle head in a second direction, opposite the first direction.

Abstract: A pool skimmer basket includes a basket rim, a basket bottom opposite the basket rim, and a lower basket portion. The lower basket portion includes porous sidewalls positioned between the basket rim and the basket bottom. The pool skimmer basket also includes a fluid inlet above a first part of the basket rim, and within a perimeter of the basket rim. The pool skimmer basket also includes a fluid outlet below a second part of the basket rim, and above the basket bottom. The fluid inlet and the fluid outlet are in fluid communication.

Abstract: A system and method of controlling a swimming pool water circulation system. A method may include sensing the electrical current supplied to a variable speed pump to determine when the pump changes speeds and selectively supplying water to one or more ancillary equipment such that the ancillary equipment maintains sufficient water flow to operate. A system may include a multi-speed pump that generates water flow above a first rate, a controller configured to sense a reduction in power drawn by the multi-speed pump below a setpoint, and responsively communicate to the ancillary equipment to suspend operation of the ancillary equipment.

Abstract: A pool skimmer including a skimmer housing and a venturi system is disclosed. The skimmer housing includes a pool throat opening, a deck throat opening, a basket opening within the skimmer housing, a skimmer rim, a skimmer bottom distal the deck throat opening, one or more pump suction ports on the skimmer bottom, and a pool return port. The venturi system includes a pump inlet port extending through the skimmer bottom and a first venturi nozzle in fluid communication with the pump inlet port and directed towards the pool return port. The venturi system may include at least a second nozzle in fluid communication with the pump inlet port and directed to a lower portion of the pool return port, with the first nozzle being directed to a center of the pool return port. The pump suction ports and the pump inlet port may be offset from one another.

Abstract: A pool nozzle assembly includes a body, a clamp ring, a plurality of screws, a cover ring, and a nozzle. The body includes a body rim having a plurality of screw receivers and a female threaded portion. The clamp ring is removably coupled to the body and couples a vinyl liner between the clamp ring and the body. The clamp ring includes an inner rim and an outer rim. The plurality of screws removably couple the clamp ring to the body. The cover ring includes a cover rim and a male threaded portion threadedly coupled to the female threaded portion. The cover rim covers the plurality of screws and is substantially planar with the outer rim. The nozzle is removably coupled to the base of the body such that a top end of the nozzle is substantially planar with outer rim and the cover rim.

Abstract: A pool nozzle assembly having a body, a clamp ring, a plurality of screws, a cover ring, and a nozzle is disclosed. The body includes a body rim having a plurality of screw receivers and a female threaded portion. The clamp ring is removably coupled to the body and couples a vinyl liner between the clamp ring and the body. The clamp ring includes an inner rim and an outer rim. The plurality of screws removably couple the clamp ring to the body. The cover ring includes a cover rim and a male threaded portion threadedly coupled to the female threaded portion. The cover rim covers the plurality of screws and is substantially planar with the outer rim. The nozzle is removably coupled to the base of the body such that a top end of the nozzle is substantially planar with outer rim and the cover rim.

Abstract: A pool skimmer including an upper skimmer housing, a lower skimmer housing, a channel, and a fluid path is disclosed. The upper skimmer housing includes a pool throat opening having an upper wall and a lower wall, a deck throat opening, and a skimmer rim. The channel extends from a channel lower end positioned between the skimmer rim and an outer wall of the upper skimmer housing to a channel upper end positioned at an elevation that is least halfway between the lower wall and the upper wall. The lower skimmer housing includes a pump inlet port, a pool return port, and one or more pump suction ports. The fluid path extends from the one or more suction ports to the channel to allow fluid communication between the one or more suction ports and the channel upper end when a basket is mounted to the skimmer rim.

Abstract: A pool skimmer system including a skimmer housing and basket is disclosed. The skimmer housing includes a skimmer rim, a deck throat opening and a pool throat opening, a pump inlet port, a pool return port positioned at a first portion of a housing bottom, and one or more pump suction ports positioned at a second portion of the housing bottom. The basket is positioned within the housing and includes a basket rim engaged with the skimmer rim, one or more porous walls, and a seal plate extending from a basket bottom to the housing bottom. The seal plate is positioned between the first portion of the housing bottom and the second portion of the housing bottom to form a suction chamber. The suction chamber is adjacent the one or more pump suction ports and isolated from the pump inlet port and the pool return port.

Abstract: A pool skimmer system includes a skimmer housing and a basket. The skimmer housing includes a deck throat opening, a pool throat opening, a lower skimmer rim, an upper skimmer rim, a pump inlet port, a pool return port, and a pump suction port. The basket is positioned within the housing and includes a lower basket rim engaged with the lower skimmer rim, an upper basket rim engaged with the upper skimmer rim, porous walls, and a pool inlet opening proximate the pool throat opening. A fluid path is formed within the skimmer housing and extends from the pump suction port to the area between the one porous sidewall of the upper skimmer housing and the skimmer interior wall to allow fluid communication between the one or more suction ports and the upper basket rim.

Abstract: A pool cleaning system, method of designing a pool cleaning system and method of making a pool cleaning system comprising origin cleaning heads, transition cleaning heads and debris capture zones. Transition heads comprising net water flow vectors may be positioned to establish net water flow in the direction of one or more debris capture zones. Transition heads may comprise incrementally rotating pool cleaning head assemblies or a recessed incrementally rotating nozzle assembly configured to establish the net water flow. Cleaning head structure may comprise a slidably rotatable reverser between upper and lower portions of a cam assembly, the slidably rotatable reverser adjustable between first and second positions such that an incrementally rotating stem slidably mounted to the cam assembly incrementally rotates clockwise when the reverser is in its first position and counter clockwise when the reverser is in its second position.

Abstract: Combinable and interchangeable water features used on a standard universal mounting system to create the desired color, style, jet, directional flow, filter, light, return fittings, or other water feature for a pool or spa. Some water features include removably attached and rotatable male receptor and female receiver connections to create a variety of water effects.

Abstract: A pool valve module includes a conical outer plate, a conical slider plate, and an impeller. The outer plate includes an inlet port near a narrow end of the outer plate and a plurality of elongated outlet ports extending through the outer plate. The slider plate is rotatable within the outer plate and includes a slider plate outlet and a slider plate inlet. The impeller is rotatably coupled to the slider plate, and the slider plate rotates within the outer plate responsive to rotation of the impeller. The slider plate rotates between at least three positions: a first position that distributes water through a first outlet port but no other ports; a second position that distributes water through the first and second outlet ports but not other outlet ports; and a third position that distributes water through the second outlet port but no other outlet ports.

Abstract: A swimming pool water leveler system. Implementations may include a water leveler comprising one or more of the following aspects: separate fill and sensing chambers within the water leveler housing; logical water level adjustment features that provide a tactile indicator of water level change; a continuous balance line and overflow line; a water supply line seal valve with a cup seal; a reducer plug in an outlet between the sensing chamber and the balance line to assist in junk removal; and the ability to pressure test the balance line and overflow line at the same time.

Abstract: An alignment kit for aiming a variable rotating pool cleaning nozzle assembly in a pool is disclosed. The alignment kit includes an aiming tool and a locking tool. The aiming tool includes a tray that includes a plurality of aiming reference figures, a cleaning arc indicator coupled to the tray, and a base rotatably coupled to the tray. The cleaning arc indicator includes an adjustable visual area representing a cleaning arc of a variably rotating pool cleaning nozzle assembly. The cleaning arc indicator may include a first ring and a second ring interleaved together and the adjustable visual area may include an area of the second ring not covered by the first ring. The base includes an aiming reference marker adjacent the tray and one or more indexing lugs. The locking tool includes a plurality of aiming symbols and one or more locking lugs.

Abstract: A bypass valve assembly for use with a multi-speed pool pump is disclosed. The bypass valve assembly includes a housing having a inlet port, a high-pressure (HP) with a HP canal opening between the inlet port and the HP port, and a low-pressure (LP) port with a LP canal opening between the inlet port and the LP port. The bypass valve assembly also includes a HP valve assembly within the housing. The HP valve assembly includes a high-pressure seal movable between a HP sealed position responsive to a LP head and a HP open position responsive to a LP head. The bypass valve assembly also includes a LP valve assembly comprising a LP seal movable between a LP sealed position that seals the LP canal opening responsive to a HP head and a LP open position responsive to a LP head.