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Fig. 3: Shallow Ring without Threaded Inserts Fig. 4: Deep Set Ring without Threaded Inserts CONCRETE INSTALLATION INSTRUCTIONS If the pool or spa surface has an embedded ring around the suction pipe, which ring does not have threaded screw hole inserts, or the pool or spa surface has an indented sump without threaded screw hole inserts, and the distance between the pool or spa surface and the tops of the screw holes is shallower than 1/4", use the two provided 10x5/8 self threading screws. No spacers will be needed (Fig. 3). If the pool or spa has an embedded ring around the suction pipe, which the ring does not have threaded screw hole inserts or has an indented sump without threaded screw hole inserts, and the distance between pool and spa surface and the tops of the screw holes is greater than 1/4" but less than 1/2" use the two provided 10x7/8 self threading screws (Fig.3). No spacers will be needed. If the pool or spa surface has an embedded ring around the suction pipe, which ring does not have threaded screw hole inserts, or the pool or spa surface has an indented sump without threaded screw hole inserts, and the distance between pool or spa surface and the tops of the screw holes is deeper than 1/2", use the two provided 10x1-1/4 self-threading screws. No spacers will be needed (Fig. 4). EQUALIZER When replacing a suction cover over a skimmer equalizer line or a small button style cover where there is no sump or the sump is less than 1/2" deep you must use the spacer ring, concrete anchors and #10 x 1 7/8" screws. (Fig. 7a -- see Pg 5) Install anchors in concrete per instructions Place the SDX retro support plate ring on a hard surface with the flange up. Place the SDX retro support plate on the ring with the grooves facing up and with both hands pushing down; snap the support plate into the support ring. (Fig. 2 & 3 -- Pg 8.) 3f. If the pool or spa surface has no usable holes around the suction pipe that will hold the support plate securely, drill four new .160 diameter holes in the plastic ring or drill four .250 diameter holes in the concrete and use the plastic anchors to make holes to accept the screws. Then use the correct length #10 self threading screws provided from the instructions above to secure the drain to the pool or spa surface. No spacers will be needed (Fig.5 — see Pg 6). If you have a Jacuzzi MO series drain use the long 10-24 pan hd screw. This screw may need to be cut to fit the application. (See Pg 5 for instructions on how to cut screws.) 4. Align the drain cover support plate over the ring or sump (Fig. 6). If pipe cannot be centered under plate then a 1" deep sump will give optimum water For technical assistance call 1.800.621.5886 or contact your regional representative 4