Polaris R0544100 cord plug o-ring, 21 mm by 2 mm, for 9300, 9300xi and 9400 cleanersPolaris Genuine OEM Cord Plug O-Ring, R0544100 In stock$499
Polaris R0544100 cord plug o-ring, 21 mm by 2 mm, for 9300, 9300xi and 9400 cleaners
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Polaris Genuine OEM Cord Plug O-Ring, R0544100

Ask a questionMPN R0544100
$499
In stock
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Quick overview

  • Seals the cord plug Keeps pool water out of the connection between the floating cord and the cleaner.
  • Fits three models Listed for the Polaris 9300, 9300xi and 9400 robotic cleaners.
  • Exact size 21 mm outside by 2 mm section, the metric size the plug is cut for.
  • Genuine Polaris Part number R0544100, the factory o-ring for this position.
  • Do not run it without one A missing or split o-ring at the plug lets water into the connector, and that damage is not a two dollar repair.
  • Fit it whenever the plug is separated The o-ring takes a set once compressed, so replace rather than reuse it if it has flattened.
Full description and specifications ↓

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Product details

The Polaris R0544100 is the cord plug o-ring for the 9300, 9300xi and 9400 robotic pool cleaners. It measures 21 mm by 2 mm and it is the genuine Polaris part.

What it protects

The floating cord plugs into the cleaner, and that joint spends every cleaning cycle submerged. The o-ring in the plug is the only thing between pool water and the electrical connection. It is small and cheap, and it is doing the work that keeps the expensive part of the cleaner dry.

When to change it

Any time the cord is unplugged and the o-ring looks flattened, glazed, nicked or hard, put a new one in. Rubber that has taken a permanent set no longer springs back to fill the groove, so it can look perfectly intact and still let water past. Fit it clean, seat it fully in its groove and push the plug home squarely.

Specifications
Brand Polaris
Manufacturer part number R0544100
UPC 052337059787
Type Cord plug o-ring
Size 21 mm x 2 mm
Part type Pool cleaner part
Fits Polaris 9300, 9300xi and 9400 robotic pool cleaners
Shipping weight 0.01 lb
Ships Parcel

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Questions and answers

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

Which cleaners does it fit?
The Polaris 9300, 9300xi and 9400 robotic pool cleaners.
What size is it?
21 mm by 2 mm.
What does it seal?
The cord plug, where the floating power cord joins the cleaner. That connection sits underwater the whole time the cleaner runs, and this o-ring is what keeps the water on the outside of it.
Do I need to replace it if it looks fine?
If the plug has been separated and the o-ring is flattened, glazed or hard, replace it. Rubber that has taken a set no longer fills the groove even when it looks intact, and water in the plug is a far more expensive problem.
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