Hayward SPX3200UG union gasket T-seal for Northstar and TriStar pump unionsHayward Union Gasket (T-seal), Qty 2, SPX3200UG In stock$2299
Hayward SPX3200UG union gasket T-seal for Northstar and TriStar pump unions

Hayward Union Gasket (T-seal), Qty 2, SPX3200UG

Ask a questionMPN SPX3200UG
$2299
In stock

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Quick overview

  • Genuine Hayward Factory part SPX3200UG, not a generic o-ring cut to size.
  • Two per pack Supplied as a quantity of two, which is what a pump with an inlet and outlet union needs.
  • T-seal profile The flat T shaped section seats in the union groove instead of rolling like a round cord o-ring.
  • Northstar and TriStar The union gasket used on Hayward Northstar and TriStar pump unions.
  • Stops union weeping A hardened or flattened seal is the usual cause of a drip at the pump union nut.
  • Cheap insurance Worth replacing both seals any time the unions come apart for pump service.
Full description and specifications ↓

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Product details

The Hayward SPX3200UG is the union gasket, or T-seal, used at the pump union connections on Hayward Northstar and TriStar pumps. It ships as a set of two, which covers both the suction and the discharge union on a single pump.

Why a T-seal and not an o-ring

The seal has a flat T shaped section instead of a round cord. That profile locks into the groove in the union so it cannot roll or twist out of place while the union nut is being tightened, which is exactly the failure that leaves a pump dripping after a reassembly.

When to replace it

If a union weeps once the nut is hand tight and then wrench snugged, the seal has usually gone hard, taken a permanent flat, or split. Rubber in a pump union sees heat cycling every day the pump runs, so it is normal for it to age out well before the pump does. Fit fresh seals any time the plumbing comes apart for pump service and use a silicone lubricant on them.

Specifications
Brand Hayward
Manufacturer part number SPX3200UG
UPC 610377912075
Type Union gasket, T-seal
Quantity 2
Fits Hayward Northstar and TriStar pump unions
Part type Pool filter part
Shipping weight 0.02 lb
Ships Parcel

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Questions and answers

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

How many gaskets come in this kit?
Two. SPX3200UG is sold as a quantity of two, enough for both unions on a pump.
Is this a genuine Hayward part?
Yes. It is the Hayward OEM union gasket, part number SPX3200UG.
What is a T-seal?
A gasket with a flat T shaped cross section rather than a round cord. It sits in the union groove and stays put when the union nut is tightened.
My pump union drips. Is this the fix?
Usually. A union that weeps after the nut is properly tightened almost always has a flattened, cracked or hardened seal, and this is the replacement.
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