Pentair 353625 clear plastic pump lid for 590 series pumpsPentair Clear Plastic Lid, 590, 353625 In stock$6499
Pentair 353625 clear plastic pump lid for 590 series pumps

Pentair Clear Plastic Lid, 590, 353625

Ask a questionMPN 353625
$6499
In stock

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Quick overview

  • Direct replacement Pentair part 353625, the clear plastic lid for the 590 series pump.
  • Clear plastic Lets you see the strainer basket without pulling the lid off.
  • Listed with the 590 and 700 series Appears in the Pac-Fab Hydropump 590 and 700 series parts group.
  • Restores the seal A cracked or warped lid draws air on the suction side and costs the pump its prime.
  • Check the lid o-ring The sealing o-ring is a separate part and is worth replacing with the lid.
  • Hand tighten only Overtightening a plastic lid is the usual reason the last one cracked.
Full description and specifications ↓

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Product details

The Pentair 353625 is the clear plastic lid for 590 series pumps. It seals the strainer pot, the chamber where the pump basket catches debris before it reaches the impeller.

Why lids fail

The pump lid is the most handled part on the equipment pad. It comes off every time the basket is emptied, it sits in direct sun, and it takes chlorinated water and sanitizer splash. Over a few seasons the plastic crazes and clouds, and eventually a hairline crack or a distorted rim appears. From that point the lid no longer seals, the pump draws air on the suction side, and it stops holding prime.

Fitting it

Replace the lid o-ring at the same time. A new lid pressed onto a flattened, hardened o-ring will still leak air. Lubricate the o-ring, set the lid down square, and hand tighten only. Overtightening is the single most common cause of the next cracked lid.

Specifications
Brand Pentair
Manufacturer part number 353625
UPC 788379658120
Type Pump lid
Material Clear plastic
Part type Pool pump part
Fits 590 series pumps
Listed under Pentair Pac-Fab Hydropump 590 and 700 series parts
Shipping weight 0.65 lb
Ships Parcel

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Questions and answers

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

Which pump does this fit?
It is the clear pump lid for 590 series pumps, listed in the Pentair Pac-Fab Hydropump 590 and 700 series parts group.
Does the o-ring come with it?
This is the lid. The sealing o-ring is a separate part, and fitting a new one along with the lid is the reliable way to get a clean seal.
Why is my pump losing prime after years of working fine?
A pump lid is opened and closed constantly and sits in sun and chemicals. Crazing, a hairline crack or a distorted rim all let air past, and air on the suction side is what breaks prime.
Should I tighten it hard?
No. Lubricate the o-ring, seat the lid square and hand tighten. Cranking down on a plastic lid is what cracks it.
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