Polaris D21 black ball bearing hose swivel for BlackMax 280, 380, 480 and 3900 cleanersPolaris Hose Swivel, Black In stock$2599
Polaris D21 black ball bearing hose swivel for BlackMax 280, 380, 480 and 3900 cleaners
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Polaris Hose Swivel, Black

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$2599
In stock
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Quick overview

  • Genuine Polaris OEM part D21, the black swivel for BlackMax model cleaners.
  • Ball bearing action turns freely under pressure so the feed hose untwists as the cleaner works.
  • Fits four cleaners the 280, 380, 480 and 3900 in BlackMax trim.
  • Stops tangles a stiff or seized swivel is the usual reason a Polaris hose coils up and the cleaner stalls.
  • Plastic body molded plastic construction, matched to the black hose.
  • Quick swap unscrews from the hose sections without tools.
Full description and specifications ↓

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Product details

The Polaris D21 is the black ball bearing hose swivel used on the BlackMax versions of the 280, 380, 480 and 3900 pressure cleaners. It is the genuine Polaris part.

What it does

As the cleaner drives around the pool the feed hose is constantly being twisted. The swivels along the hose let each section rotate independently so that twist is released instead of building into a coil. When a swivel seizes, the hose kinks, the cleaner drags it around in a knot and coverage suffers.

Checking and replacing

Twist the hose on either side of each swivel. A good one spins freely; a worn one binds or grinds. The D21 threads onto the hose sections, so replacing it is a matter of unscrewing the old swivel and fitting the new one. It is molded in black plastic to match the BlackMax hose.

Specifications
Brand Polaris
Manufacturer part number D21
UPC 738919010321
Type Ball bearing hose swivel
Color Black
Material Plastic
Fits Polaris 280, 380, 480 and 3900 BlackMax models
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.

Which Polaris cleaners use the D21?
The black BlackMax versions of the 280, 380, 480 and 3900.
How do I know a swivel needs replacing?
Hold the hose on either side of the swivel and twist. It should spin freely and smoothly. If it binds, grinds or barely turns, the bearing is worn and the hose will start to tangle.
Is this the same as the white or gray Polaris swivel?
It is the black version made for the BlackMax cleaners. Match the color of your existing hose and swivel.
Are there several swivels on one hose?
A Polaris feed hose uses more than one swivel along its length. Check each one, since they wear at different rates.
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