
Polaris Genuine OEM Pressure Relief Valve for 180/280/380/3900/P39/P40/TR28P Pool Cleaners, 9-100-9002
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Quick overview
- Genuine Polaris part 9-100-9002, the original relief valve with the black spring holder.
- Fits the whole family 180, 280, 290 TankTrax, 380, 3900 Sport, P39, TR35P and TR28P.
- Factory set spring Opens when line pressure exceeds the spring tension and bleeds off the excess.
- Adjustable speed Screw it in for full pressure and a faster cleaner, out to bleed pressure and slow it down.
- Fixes a common symptom Water pouring out of the top of the relief valve means the valve is worn.
- Threads into the wall fitting Replaces the valve in the wall fitting housing, no tools needed.
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Frequently bought together

Genuine OEM Pressure Relief Valve for 180/280/380/3900/P39/P40/TR28P Pool Cleaners, 9-100-9002
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Product details
The Polaris 9-100-9002 is the genuine pressure relief valve that threads into the wall fitting on the Polaris 180, 280, 290 TankTrax, 380, 3900 Sport, P39, TR35P and TR28P pressure cleaners. It is the version with the black spring holder.
How it works
Inside is a spring set at the factory. When pressure in the cleaner line climbs above the spring tension, the spring lifts and vents the excess. If the old valve is worn, water pours out of the top of it even at normal pressure, and the cleaner loses speed.
Adjustment
The valve is threaded on the outside so you can tune it in the wall fitting housing. Screwed all the way in, the cleaner gets full pressure and runs fastest. Backing it out relieves pressure and slows the cleaner if it is skipping or climbing out.
Fit and warranty
Genuine Polaris parts carry a 90-day limited manufacturer warranty and keep the cleaner within its factory warranty terms. Confirm your cleaner is one of the models listed before ordering.
| Brand | Polaris |
|---|---|
| Manufacturer part number | 9-100-9002 |
| UPC | 738919000667 |
| Type | Pressure relief valve, black spring holder |
| Fits | Polaris 180, 280, 290 TankTrax, 380, 3900 Sport, P39, P40, TR35P, TR28P |
| Symptom fixed | Water pouring out of the top of the pressure relief valve |
| Shipping weight | 0.1 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 this valve?
Water sprays out of the top of my relief valve. Is this the fix?
Can I adjust it?
Is this a genuine Polaris part?
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