Hayward SP071621 2" Top-Mount Vari-Flo® Multiport Valve
The Hayward SP071621 is a 2" top-mount multiport control valve designed for use on compatible Hayward sand filter tanks. It provides all necessary valve functions — filter, backwash, rinse, waste, recirculate, and closed — allowing pool owners to manage water flow and filtration cycles efficiently with a single lever handle.
Key Features
- 2" inlet and outlet ports — ideal for medium to large residential pool plumbing systems
- Top-mount design — mounts directly on the filter tank for compact, streamlined installation
- Multiport functionality — handle-selectable positions for Filter, Backwash, Rinse, Waste, Recirculate, and Closed
- Durable, reinforced thermoplastic construction — designed to withstand pool water chemistry and long-term outdoor exposure
- Easy lever-action operation for simple, tool-free switching between filter modes
- OEM-quality valve — designed as a direct replacement for compatible Hayward sand filters
Specifications
- Manufacturer: Hayward
- Part Number: SP071621
- Valve Type: Top-mount multiport control valve
- Port Size: 2″
- Positions: Filter, Backwash, Rinse, Waste, Recirculate, Closed
- Material: Pool-rated thermoplastic/ABS
- Typical Application: Sand filters on residential pools using 2″ plumbing
When & Why to Use
Replace or install SP071621 when your current multiport valve leaks, cracks, or fails to seal correctly — a common issue after years of chemical and pressure exposure. As an OEM-grade valve, it restores proper filtration control, maintains efficient flow, and ensures safe, reliable operation of the sand filter system.
Installation & Maintenance Tips
- Always shut off the pump and relieve pressure before switching valve positions or performing maintenance.
- Inspect and lubricate O-rings before installation to ensure a tight seal and leak-free operation.
- Align valve plumbing ports carefully to reduce stress on fittings and prevent leaks.
- Operate the lever smoothly — avoid forcing it between positions to prevent internal wear or damage.
- Check periodically for cracks, leaks, or wear — replace the valve if any part shows structural degradation, especially if used in saltwater or high-chemical systems.
