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Accordingly, the opening of the secondary valve ensures that ambient water Can you negotiate with pool contractors? be drawn in to maintain the move of water via the water suction pump. On this connection, it is necessary that the circulate regulator valve assembly 100 at all times be situated below the water floor. As will be seen more clearly in FIG. 13, the first valve 102 includes a collar 106 which is rotatably mounted on the outer floor of a cylindrical valve body 108 of the valve assembly 100. The valve body 108 has a primary aperture one hundred ten which might be totally opened or absolutely closed by the collar 106, relying on the angular place of the collar 106 relative to the valve physique 108. In FIG. 12, the first valve 102 is shown in a completely open position by which the first aperture a hundred and ten is totally opened. As noted above, preferably the circulate regulator valve meeting is located in the skimmer box of the pool at the point where the water vacuum hose is connected to the water suction pump inlet.

This also permits the base plate sixty eight of tube 14 to rotate when climbing vertical surfaces or when cornered towards steps or different obstructions on the pool surface. Sufficient suction stays to prevent rotation when travelling throughout the underside floor of the pool. This is usually not attainable with existing cleaners on account of suction problems that have not been completely overcome. The swivel connection of the tube 14 to the cleansing disc 12 permits rotation of the tube 14 relative to the cleaning disc because of surging of the suction hose, and thereby change the thrust vector to free the machine if it tends to develop into stuck in any place. A amount of lead ballast may be accommodated within the bottom ring swivel 70 to assist in weight and balance because the system 10 should be accurately balanced within the water. A ballast deflector 76 additionally has a lead ballast 77 provided thereon.

A tube 14 is mechanically coupled to the cleaning member 12 and is tailored to be related to a water vacuum hose (not shown). As could be seen most clearly in FIG. 2, the tube 14 is of considerably rectangular cross-section and is formed with a mouth sixteen of substantially circular cross-section which is designed to receive a hose swivel 18 (see FIG. 1) therein. The water vacuum hose, which is related to a water vacuum and filter system (not proven), may be connected to the hose swivel 18 in order that, in use, water and pool floor contamination might be drawn from underneath the cleaning member 12 up by means of the tube 14 by suction to the water filter system before being returned to the pool. The hose swivel 18 eliminates torsional twisting of the vacuum hose which would otherwise be caused by continual rotating of the system 10 during regular operation. A hose adaptor 19 is rotatably linked to the hose swivel 18 for connecting the pool cleaning gadget to the water vacuum hose.

These variables might be regulated by adjusting the stream regulator valve. If the cover is not closed, and the flow regulator valve is in any other case correctly installed, and if an obstruction ought to occur of the first valve, the secondary valve can nonetheless open to extend the by-go opening and permit debris to be drawn by way of the enlarged opening if vital. If blockage of the pool cleaning machine ought to occur, for instance, by a plastic bag caught within the throat area, the secondary valve will open and stop pump cavitation and California Pools & Landscape damage. All such variations and modifications are to be thought of throughout the scope of the current invention, the character of which is to be determined from the foregoing description and the appended claims. Numerous variations and modifications will recommend themselves to individuals skilled within the pool cleaning arts, in addition to these already described, without departing from the fundamental inventive ideas. Opening the primary valve further will lower the suction within the water vacuum hose, Griffin Pools because it acts as a bypass, inflicting the secondary valve to return to the closed position. The flow regulator valve is now adjusted. With the pool cleaning machine connected to the water vacuum hose and submerged in the pool, the stream regulator valve assembly is related to the water vacuum hose, (with the primary valve closed) and plugged into the skimmer field. With the commencement of water circulation and the first valve closed, the secondary valve will open to allow a predetermined leakage rate (say 300 beats per minute). For Long Island Swim-Pool Service instance, an appropriate convex-formed wall part could also be moulded on an interior floor of the tube 14, somewhat than utilizing a removable hydrofoil part. The suction pump is then turned on, and the primary valve is slowly opened manually till a slight decrease in pulse charge of the pool cleaning machine is noticed.