Waterway 711-1910B white rubber diverter spider gasketWaterway Diverter Spider Gasket, 711-1910B In stock$2599
Waterway 711-1910B white rubber diverter spider gasket
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Waterway Diverter Spider Gasket, 711-1910B

Ask a questionMPN 711-1910B
$2599
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Quick overview

  • Genuine Waterway The factory 711-1910B valve seat gasket.
  • 4 spoke design Four spokes, each 3/8 inch wide, which is the pattern that separates the valve ports.
  • 5-1/4 inch outside diameter Measure the old gasket against this figure before ordering.
  • 15/16 inch inside hole The center hole diameter.
  • White rubber Molded rubber, the material the diverter seats against.
  • The usual cause of port to port leakage When water crosses between ports no matter where the handle sits, the spider gasket is the first suspect.
Full description and specifications ↓

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Product details

The Waterway 711-1910B is the diverter spider gasket, also called the valve seat gasket, for Waterway filter valves. It is molded in white rubber with a four spoke pattern.

Dimensions

The gasket measures 5-1/4 inches across the outside with a 15/16 inch inside hole. Each of the four spokes is 3/8 inch wide. Those figures are worth checking against the gasket you are removing, since spider gaskets look alike across brands and only the exact one seals.

What goes wrong

The spider gasket is what the rotating diverter presses against to keep the valve ports separated. When it flattens, tears at a spoke, or hardens until it no longer stands proud of its groove, water crosses between ports. The symptoms are familiar: water going to waste while the valve is set to filter, backwash that never quite stops, or a filter that will not build pressure. Replacing the gasket restores the seal the whole valve depends on.

Specifications
Brand Waterway
Manufacturer part number 711-1910B
UPC 806105211439
Type Diverter spider gasket, valve seat gasket
Material White rubber
Spokes 4 spoke
Spoke width 3/8 inch
Outside diameter 5-1/4 inch
Inside hole diameter 15/16 inch
Part type Filter valves part
Shipping weight 0.1 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

What are the dimensions?
5-1/4 inch outside diameter with a 15/16 inch inside hole, and four spokes each 3/8 inch wide.
How do I know the spider gasket has failed?
Water crossing between ports is the classic sign: the filter still runs but you get water to waste on filter, or the backwash never fully stops. A gasket that is flattened, torn at a spoke, or no longer standing proud of its groove is done.
What is it made of?
White rubber.
Is this the same thing as a valve seat gasket?
Yes. Diverter spider gasket and valve seat gasket are two names for the same part.
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