Hayward SX180HG drain cap and gasket for sand filters 2005 and priorHayward Drain Cap and Gasket, 2005 and Prior In stock$1333
Hayward SX180HG drain cap and gasket for sand filters 2005 and prior

Hayward Drain Cap and Gasket, 2005 and Prior

Ask a questionAPS # HAY-051-2194
In stock
$1333

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Quick overview

  • Cap and gasket together Both pieces come in the one part, so the sealing surface is renewed with the cap.
  • Check the stamp S-180-H is stamped into the back of this drain cap; that mark is how you confirm you have the right one.
  • 2005 and prior This is the older style cap. Hayward changed the drain cap assembly for 2006 and later filters.
  • Pro Series, top and side mount Fits Pro Series and Pro Series Plus sand filters in both top mount and side mount configurations.
  • Also E-Series Listed for the E-Series top mount sand filters E-100, E-200 and E-250.
  • Stops a winter leak The drain cap is what holds the tank closed after a winterizing drain, and a cracked cap or flattened gasket weeps all season.
Full description and specifications ↓

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Product details

The Hayward SX180HG is the drain cap and gasket for Hayward sand filters built 2005 and prior. It is the genuine Hayward part and comes with its gasket.

Identifying the right one

Hayward changed this part for filters built from 2006 onward, and the two are not interchangeable. The way to tell is the stamp: S-180-H is molded into the back of this cap. If your old cap carries that mark, this is the replacement.

Which filters

Pro Series side mount S-210S, S-220S, S-244S, S-310S and S-360S; Pro Series Plus side mount S-311SX, S-311SXV and S-360SX; Pro Series top mount S-140T, S-144T, S-164T, S-166T, S-270T2, S-310T and S-310T2; and E-Series top mount E-100, E-200 and E-250.

Why it fails

The drain cap is opened once a year at most, usually to winterize, and then torqued back down onto a gasket that has been sitting compressed since the last time. The rubber takes a set and stops sealing, and the plastic threads crack if the cap was ever forced or left out in a freeze. Because both failures look the same from outside, the cap and gasket are sold as one part.

Specifications
Brand Hayward
Manufacturer part number SX180HG
UPC 610377614474
Type Drain cap with gasket
Identification S-180-H stamped into the back of the cap
Model years 2005 and prior
Fits, Pro Series side mount S-210S, S-220S, S-244S, S-310S, S-360S
Fits, Pro Series Plus side mount S-311SX, S-311SXV, S-360SX
Fits, Pro Series top mount S-140T, S-144T, S-164T, S-166T, S-270T2, S-310T, S-310T2
Fits, E-Series top mount E-100, E-200, E-250
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

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

How do I know I need the 2005 and prior version?
Turn the old cap over. This one has S-180-H stamped into the back. Filters built from 2006 onward use a different drain cap assembly, which is a separate part.
Does the gasket come with it?
Yes. SX180HG is the drain cap and its gasket together.
Which filters does it fit?
Hayward Pro Series side mount S-210S, S-220S, S-244S, S-310S and S-360S; Pro Series Plus S-311SX, S-311SXV and S-360SX; Pro Series top mount S-140T, S-144T, S-164T, S-166T, S-270T2, S-310T and S-310T2; and E-Series top mount E-100, E-200 and E-250.
My drain cap drips after winterizing. Is the cap or the gasket the problem?
It can be either, which is why they are sold together. The gasket flattens and hardens over years, and the cap threads crack if it has ever been overtightened or left in freezing weather.
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