Product Description

INYO # 3707-0 HAYWARD # SP1023S GENERAL DESCRIPTION: THIS IS A COMPLETE INLET FITTING WITH NO EYEBALL, FOR USE IN FIBERGLASS AND IN ABOVE GROUND POOLS MATERIAL: WHITE PLASTIC BODY AND NUT RUBBER AND CARDBOARD GASKETS

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DIMENSIONS: BODY: FACEPLATE DIAMETER: 3-1/2" THREAD LENGTH: 1-7/16" INSIDE BODY: 1-1/2" FEMALE PIPE THREADS (ABOUT 1-7/8" ACTUAL INSIDE DIAMETER) OUTSIDE BODY: 2" MALE PIPE THREADS (ABOUT 2-3/8" ACTUAL OUTSIDE DIAMETER) GASKETS: ALL ARE APPROXIMATELY 3-7/16" OUTSIDE, 2-7/16" INSIDE

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INCLUDES: BODY AND NUT (1) SPX1023Z3 CARDBOARD FLAT GASKET (2) SPX23Z3 RUBBER FLAT GASKET

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MARKINGS: SP-1022 A 2 IS MOLDED ON THE BODY SP-1023-B IS MOLDED ON THE NUT

1. Inside the Pool (water side):

   • First black rubber gasket goes between the return fitting flange (faceplate) and the inside wall of the pool.

   • This gasket makes the watertight seal on the interior side.

2. Pool Wall (fiberglass)

3. Outside the Pool Wall:

   • Cork gasket goes directly against the outside of the fiberglass wall.

     • Cork compresses well and conforms to surface imperfections of fiberglass — it acts as a secondary moisture barrier.

   • Second black rubber gasket goes between the cork gasket and the locking nut (the large threaded nut that tightens the fitting).

     • This protects the cork from wear and creates an additional seal.

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