Hayward VariFlo Top-Mount Control Valve 2-inch Black — 6-Position Dial, Clamp-Mount Replacement

Hayward SP071621 VariFlo is a top-mount, 2-inch, six-position control valve designed to replace or upgrade the control on Hayward vertical grid DE and sand filters.

This VariFlo control valve from Hayward is built for pool and spa filtration systems that require reliable, adjustable flow control. Engineered as a top-mounted clamp-style replacement, the valve fits Pro-Series sand filters and other compatible vertical grid housings, providing clear position feedback, low-maintenance sealing, and a compact footprint that keeps plumbing tidy.

How does this valve simplify switching filter modes?

The six-position VariFlo dial gives a straightforward way to change functions like filter, backwash, rinse, recirculate, and closed. The handle includes a visual indicator so you can confirm the selected setting at a glance, reducing the risk of operating in the wrong mode.

• Six clearly labeled positions for common filter operations
• Dial-style handle with visual setting indicator
• Top-mount layout keeps plumbing connections compact
• Clamp design allows straightforward installation and removal

Will this part fit my Hayward Pro-Series sand or DE filter?

This SP071621 model is made to replace top-mount control valves on many Hayward Pro-Series sand and vertical-grid DE filters. Confirm compatibility by checking that your filter uses a 2-inch FIP top-mount clamp valve and that the filter model is listed among compatible Pro-Series units.

• 2-inch female FIP port sizing to match common plumbing
• Clamp-style mounting used on many Pro-Series vertical grid filters
• Designed to replace S270T2, S310T2, S360T2 and similar models
• Black finish matches Hayward OEM appearance

What features help prevent leaks and sticking?

Hayward built the VariFlo valve with Teflon seats that resist wear and deliver consistent sealing performance. The valve also incorporates an automatic self-cleaning design that helps prevent debris from causing sticking or reduced performance, lowering the need for frequent manual maintenance.

• Teflon seating for durable, reliable sealing
• Self-cleaning mechanism reduces clogging risk
• Robust internal components suited for pool system pressures
• Clamp closure ensures even compression around the filter tank flange

How easy is installation and everyday use?

The top-mount clamp and 2-inch FIP connections are intended for straightforward swap-in of existing Hayward valve assemblies or upgrade installations. The dial handle offers intuitive operation for routine mode changes, and the compact top-mounted form keeps the valve accessible for service.

• Clamp closure for quick removal and reinstallation
• 2-inch FIP ports match common piping sizes for retrofit work
• Clear dial positions speed up routine tasks like backwash
• Usually installed without altering the filter tank or plumbing layout

Who is this for: Pool service technicians, backyard pool owners, and facilities managers who need a durable, easy-to-operate replacement valve for Hayward Pro-Series sand or vertical DE filters. Choose the SP071621 VariFlo if you want a black, top-mount, clamp-style control valve with six positions, Teflon seats, and a self-cleaning design to reduce downtime and simplify routine filter maintenance.