Pentair Vinyl Fiberglass Small Rear Niche 3-4 in. Hub 78242200
Small Rear Niche 3/4 in. Hub Vinyl Fiberglass made by Pentair 78242200 Small Niche For Manufactured Vinyl Liner / Fiberglass Pools or Spas & Tub. Installation Instructions: Punch or drill 6 sealing holes, 2 retainer holes and large panel hole, as per circular panel cut-out information. NOTE One of the two gaskets has larger holes to go over the retainer screw head. Make sure double wall gasket is around the niche flange. Insert the stainless steel light niche through wall panel from inside the swimming pool. Align the two retainer screws holes (diametrically opposite one another at top and bottom) of the light niche with those that were drilled or punched in the wall panel. Insert the two fillister head retainer screws through light niche and wall panel. Align the holes of the back-up ring and rear gasket, (the gasket without larger holes), with the holes on the back side of the wall panel. Fasten the back-up ring and second gasket to the back of the wall panel by tightening the two fillister head retainer screws. At this point the wall panel is sandwiched by two gaskets. If this is a vinyl swimming pool, install the vinyl liner. For fiberglass
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