Part # 3707-0
Manufacturer Code SP1023S
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
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.
Pool Wall (fiberglass)
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.
i was wondering if this part is a 1 1/2
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Daniel, This Wall Fitting, Fiberglass (SP1023S) has a 1-1/2" female port.
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Exactly what size winter plug can be used with this unit? The Size diagram shows opening is 1 7/8", while the only winter plugs I can find are 1 1/2" or 2", etc.. Is there a 1 7/8" winter plug that I just can't find? What is the product number? I bought 2 of these units and the #10 plugs I have don't quite fit. Slightly too small, won't tighten up and seal. What can I use. I need to close up this pool soon.
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(5 out of 5 stars) Quality replacement part
Reviewed By: John from Warwick, NY ()
Pros: Quality replacement part
Cons: None
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