Pool & Outdoor Parts [Lifetime Warranty] 9-100-9002 Pressure Relief Valve Replacement Kit - Compatible with The Polaris 180 280 380 Automatic Pool Cleaners | Pack of 2
Two 9-100-9002 pressure relief valve replacements with white threaded bodies and black internal cages.
9-100-9002 pressure relief valve replacement parts for Zodiac Polaris pool cleaners with dimensions shown.
Close-up of 9-100-9002 pressure relief valve replacement parts showing white housing and internal spring mechanism.
Single 9-100-9002 pressure relief valve replacement part for D29 UWF quick disconnect.
Close-up of 9-100-9002 pressure relief valve replacement parts showing smooth design compared to others.
Close-up of 9-100-9002 pressure relief valve replacement part for pool cleaner with benefits text overlay.
Single 9-100-9002 pressure relief valve replacement part for pool cleaners.
Two 9-100-9002 pressure relief valve replacements with white threaded bodies and black internal cages.
9-100-9002 pressure relief valve replacement parts for Zodiac Polaris pool cleaners with dimensions shown.
Close-up of 9-100-9002 pressure relief valve replacement parts showing white housing and internal spring mechanism.
Single 9-100-9002 pressure relief valve replacement part for D29 UWF quick disconnect.
Close-up of 9-100-9002 pressure relief valve replacement parts showing smooth design compared to others.
Close-up of 9-100-9002 pressure relief valve replacement part for pool cleaner with benefits text overlay.
Single 9-100-9002 pressure relief valve replacement part for pool cleaners.
Lifetime Warranty

[Lifetime Warranty] 9-100-9002 Pressure Relief Valve Replacement Kit - Compatible with The Polaris 180 280 380 Automatic Pool Cleaners | Pack of 2

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9-100-9002 Pressure Relief Valve Replacement Kit

Key Features

  • Regulates water flow to protect the pool cleaner's internal components from excessive pressure.
  • Constructed from durable, corrosion-resistant materials for longevity.
  • Maintains optimal operational speed for the pool cleaner.

Replaces / Cross-Reference Part Numbers

  • 9-100-9002
  • 91009002

Compatibility & Fitment

  • Fits Zodiac Polaris pressure-side automatic pool cleaners.
  • Compatible Models: 65, 165, 180, 280, 380, 480 Pro, 3900, P39, Quattro P40, 280 TankTrax.

When to Replace

  • Visible cracks, wear, or damage to the existing valve.
  • Water continuously sprays or leaks from the valve during operation.
  • Pool cleaner moves too fast or too slow, indicating improper pressure regulation.

Installation Tips

  • Turn off the pool booster pump before starting the replacement.
  • The valve attaches to the universal wall fitting (UWF) where the cleaner hose connects.
  • Unscrew the old valve and thread the new one on by hand.
  • Ensure a secure, hand-tight fit to prevent leaks. Do not overtighten.
  • Restart the pump and check the connection for leaks.
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  • Fixing Symptoms

    Fixing Symptoms

    Fix symptoms of pool cleaners: decrease in suction power, strange noises, slow movement, easily getting stuck, etc.
  • Premium Quality

    Premium Quality

    9-100-9002 Pressure Relief Valve is crafted from robust and durable materials, ensuring wear resistance and long-lasting performance
  • Saving Solution

    Saving Solution

    Revive your home appliances affordably with BlueStars' DIY parts. Our savings solution turns repairs into simple, cost-effective tasks
  • Simple Installation

    Simple Installation

    BlueStars 9-100-9002 Pressure Relief Valve allows for effortless attachment and detachment, making installation relatively easy
THE KEY TO YOUR POOL'S LONGEVITY

THE KEY TO YOUR POOL'S LONGEVITY

BlueStars pool replacement parts offer strict quality control to give you the best experience, backed by our enduring commitment to excellence!
Material
Acrylonitrile Butadiene Styrene
Inlet Connection Size
1.5 Inches
Inlet Connection Type
Threaded
Outlet Connection Type
Threaded
Number of Ports
1
Outlet Connection Size
1.5 Inches
Item Weight
3.87 ounces

FAQ

Based on the available references, this pressure relief valve fits several Polaris/Zodiac pressure-side automatic pool cleaners, including Polaris 65, 165, 180, 280, 380, 3900, and Quattro P40/P40 Sport models. If your cleaner uses pressure-side water flow and calls for part number 9-100-9002, this kit should match that application.
This replacement kit matches part number 9-100-9002. A no-dash version, 91009002, is also commonly used as a cross-reference for the same pressure relief valve.
The pressure relief valve acts as a safety component in the cleaner's water supply path. It helps release excess water pressure before it can damage internal cleaner components or affect normal operation. On pressure-side cleaners, this valve helps the unit run within a safe pressure range.
Typical symptoms include inconsistent cleaner movement, reduced performance, visible water leaking from the valve area when it should be sealed properly, or signs that the cleaner is seeing too much or poorly regulated water pressure. If the valve is cracked, worn, stuck, or no longer relieving pressure correctly, replacement is often the fix.
Replacement is usually straightforward for most pool owners. In many cases, the old valve can be removed and the new one installed without major disassembly. Expect a quick repair, often around 5 to 15 minutes depending on cleaner access and condition. Before starting, shut off the pool pump and relieve system pressure.
Inspect the cleaner's feed connection and surrounding fittings for cracks, mineral buildup, debris, or worn sealing surfaces. If your cleaner has been running with abnormal pressure, it is also smart to check the hose, quick disconnect, and wall fitting for restrictions or wear. Installing a new valve into a dirty or damaged connection can lead to continued leaking or poor performance.
Common causes include age-related wear, chemical exposure, scale buildup, debris in the water path, and repeated exposure to excessive water pressure. Over time, the internal sealing surfaces and spring-loaded components can weaken or stick, which can cause leaking or poor pressure control.