
Polaris Genuine OEM Adjustment Screw, Sweep Hose (380/360/280/180)
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Quick overview
- Genuine Polaris part Factory part number B20, not an aftermarket screw.
- Fits five cleaners Listed for the Polaris 180, 280, 280 Tank Trax, 360 and 380 automatic pool cleaners.
- Sets the tail sweep This is the adjustment that controls how much flow goes to the sweep hose.
- Common wear item The screw sits in the water path and is a routine replacement during a cleaner tune up.
- Small part, big symptom A tail sweep that will not whip, or one that thrashes too hard, often traces back to this adjustment.
- Cheap insurance Worth having on the shelf alongside the sweep hose attachment clamp.
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Frequently bought together

Genuine OEM Adjustment Screw, Sweep Hose (380/360/280/180)
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Product details
The Polaris B20 is the genuine sweep hose adjustment screw for the 180, 280, 280 Tank Trax, 360 and 380 pressure side pool cleaners. It is the part that meters how much flow is sent to the tail sweep.
What it controls
The tail sweep is what a Polaris uses to lift debris off the floor and out of corners ahead of the cleaner. The adjustment screw decides how much of the incoming flow is diverted to that hose. Too little and the sweep barely stirs, too much and the cleaner loses drive while the tail thrashes.
When to change it
The screw lives in the water path and wears. If the sweep will not behave no matter how it is set, the screw itself is the usual culprit. It is a small enough part that most techs replace it as a matter of course during a cleaner overhaul, along with the sweep hose and its attachment clamp.
| Brand | Polaris |
|---|---|
| Manufacturer part number | B20 |
| UPC | 738919000247 |
| Type | Sweep hose adjustment screw |
| Part type | Pool cleaner part |
| Function | Adjusts flow to the tail sweep |
| Fits | Polaris 180, 280, 280 Tank Trax, 360 and 380 automatic pool cleaners |
| 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 does this fit?
What does the adjustment screw actually do?
Is this a genuine Polaris part?
My tail sweep barely moves. Is this the problem?
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