Hayward SX160Z1 tank o-ring for Pro Series S160T sand filterHayward O-Ring for Pro Series S160T Sand Filter, SX160Z1 In stock$1099
Hayward SX160Z1 tank o-ring for Pro Series S160T sand filter
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Hayward O-Ring for Pro Series S160T Sand Filter, SX160Z1

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$1099
In stock
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Quick overview

  • Hayward part SX160Z1 The factory tank o-ring for the Pro Series S160T, not a generic ring off a size chart.
  • Fits the S160T Sized for the two piece top mount Pro Series S160T sand filter.
  • Seals tank to head This is the ring the filter relies on to hold pressure where the two halves meet.
  • The first thing to change on a leak Water weeping from the tank seam under pressure usually means a flattened or split o-ring.
  • Cheap insurance during a rebuild Worth replacing any time the filter is opened for a media change or an internals repair.
  • Sold as a single ring One o-ring, so order the count you need if you are servicing more than one filter.
Full description and specifications ↓

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Product details

Hayward SX160Z1 is the tank o-ring for the Pro Series S160T sand filter. It seals the joint between the filter tank and the top mount section, which is the one place on the filter that has to hold system pressure against a removable joint.

When you need it

Water weeping or spraying from the seam where the two halves of the filter meet is the classic symptom. Over years of heat, chlorine and compression the ring flattens, hardens or splits, and once it stops sealing no amount of retightening the clamp will hold it.

Fitting it

Shut the pump down and relieve pressure at the air relief before opening anything. Clean the groove and both sealing faces properly, since grit and old ring residue will hold the new seal open. A thin film of silicone lubricant made for pool o-rings helps it seat and makes the next service easier.

It is worth changing this ring any time the filter is opened for a media change, so a job you have already done does not have to be repeated for a two dollar part.

Specifications
Brand Hayward
Manufacturer part number SX160Z1
UPC 610377054461
Type Tank o-ring
Part type Pool filter part
Fits Hayward Pro Series S160T sand filter
Shipping weight 0.2 lb
Ships Parcel

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Questions and answers

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

Which o-ring is this?
The tank o-ring, the seal between the body of the S160T tank and the top mount section above it.
Will it fit other Hayward filters?
It is specified for the Pro Series S160T. Hayward uses different ring sizes across the Pro Series, so match the part number to your filter rather than the look of the ring.
My filter weeps at the seam. Is this the fix?
Usually. A tank o-ring that has flattened, hardened or split will pass water under pressure. Clean the groove out fully before the new ring goes in.
Should I lubricate it?
A thin film of a silicone based lubricant made for pool o-rings helps it seat and makes the next teardown easier. Keep petroleum products away from it.
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