GRE Polaris In-line Back-up Valve for Vac-Sweep 360 — OEM 9-100-1200, Direct-Fit Replacement & Anti-Backflow

This compact replacement valve fits inline with the cleaner’s hose assembly and weighs approximately 1 pound (0.299 kg). Built to the original equipment specification for the Vac-Sweep 360, the unit helps maintain reliable suction cycles and prevents backflow during operation. The part ships in a small protective package sized roughly 9.144 x 21.844 x 17.78 cm and is straightforward to install with basic hose tools.

How does the back-up valve affect my Vac-Sweep 360’s performance?

The in-line back-up valve helps control water direction and pressure pulses, ensuring the Vac-Sweep 360 sweeps and cycles as intended. Replacing a worn or leaking valve can restore consistent suction and cleaner movement across pool surfaces.

• Maintains correct pressure balance for reliable cycles
• Prevents reverse flow that can stall the cleaner
• Direct-fit design for quick swap with the original part

Is installation difficult and what tools are required?

Installation is typically simple for anyone comfortable handling pool hoses. You usually need only a pair of pliers or a screwdriver for hose clamps and possibly a utility knife to trim the hose ends for a snug fit.

• Remove old valve from hose assembly
• Trim hose ends if necessary for a tight seal
• Reattach with clamps or quick-connect fittings supplied on your cleaner

What are the physical specs and compatibility details?

The unit weighs about 1 pound and ships in compact packaging measuring roughly 9.144 x 21.844 x 17.78 cm. It’s manufactured to be compatible with Zodiac Polaris Vac-Sweep 360 models that use the OEM-style in-line back-up valve.

• Manufacturer part number: 9-100-1200
• Package weight: 0.299 kilograms (approx. 1 pound)
• Designed for Vac-Sweep 360 hose assemblies

How long does the replacement last and when should I swap it out?

Service life varies with pool chemistry, use frequency, and exposure to sunlight. Inspect the valve annually and replace if you see leaks, cracks, or inconsistent cleaner cycles to avoid downtime.

• Check for visible wear or cracking at hose connections
• Replace if cleaner stalls, sputters, or loses suction
• Keep a spare on hand to minimize out-of-service time

Who is this for: Pool owners and service technicians using Zodiac Polaris Vac-Sweep 360 cleaners who need a direct-fit replacement valve to restore proper cleaner cycling and prevent backflow. It’s suited to those who perform routine maintenance and want an OEM-spec component to keep their automatic cleaner running smoothly without complex repair work.