Hayward SP071621 2 in. Vari-Flo top mount multiport valve, front viewHayward 2" Vari-Flo Top Mount Valve, SP071621 In stock$22799
Hayward SP071621 2 in. Vari-Flo top mount multiport valve, front view
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Hayward 2" Vari-Flo Top Mount Valve, SP071621

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$22799
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Quick overview

  • Genuine Hayward the SP071621 (SP-716-21) valve fitted to Pro Series S310, S310T and S310T2 sand filters.
  • 2 in. MPT ports threaded 2 in. connections for the pump, return and waste lines.
  • Clamp on mount sits on an 8 in. clamp flange; the pipe out the bottom is 2 in. long with a 1.9 in. inside diameter.
  • Sight glass included comes with the sight glass and gasket, plus a 1/4 in. plug installed in the pressure gauge port.
  • Same valve as SP071620T identical valve sold without the clamp and o-ring, so reuse yours or order them separately.
  • Black body, round cover cover held on with 10 nuts and bolts, marked SP 715 21 on the cover and SP-716-A13 on the body.
Full description and specifications ↓

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Product details

The Hayward SP071621 is the 2 in. Vari-Flo top mount multiport valve used on the Pro Series S310, S310T and S310T2 sand filters. It is the genuine Hayward part, sold here as the valve alone: the same valve as the SP071620T, but without the clamp and tank o-ring. If your clamp and o-ring are still in good shape, this is the cheaper way to replace a cracked or leaking valve.

What you get

A black clamp on valve body with a round cover, held down by 10 nuts and bolts. The plumbing ports are 2 in. MPT. The pipe that drops into the tank is 2 in. long with a 1.9 in. inside diameter, and the clamp flange measures 8 in. across. The valve stands 13-1/8 in. tall including that pipe, not counting the handle. A sight glass and gasket are installed, and the pressure gauge hole comes plugged with a 1/4 in. plug.

Identifying your valve

Hayward marks the cover SP 715 21 and the body SP-716-A13. Those are component numbers for the same assembly, which Hayward lists as SP071621 or SP-716-21. If your filter is one of the three S310 models above and the flange is 8 in., this is the match.

Before you order

Have a clamp and a tank o-ring on hand, either reused from the old valve or ordered separately, and a pressure gauge if you are not moving over the old one.

Specifications
Brand Hayward
Manufacturer part number SP071621
Also known as SP-716-21
UPC 610377228701
Type Vari-Flo top mount multiport valve, clamp on
Plumbing ports 2 in. MPT
Clamp flange diameter 8 in.
Height 13-1/8 in. (including pipe, not handle)
Bottom pipe 2 in. long, 1.9 in. ID
Color Black, round cover
Cover attachment 10 nuts and bolts
Markings SP 715 21 on cover, SP-716-A13 on body
Fits Hayward S310, S310T, S310T2
Includes Sight glass with gasket, 1/4 in. plug in pressure gauge hole
Not included Clamp, o-ring
Same valve as SP071620T (which includes clamp and o-ring)
Shipping weight 8 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Does this come with the clamp and o-ring?
No. This is the bare valve. It is the same valve as the SP071620T, which ships with the clamp and o-ring. If yours are worn, order the clamp and the tank o-ring separately.
Which filters does it fit?
Hayward Pro Series S310, S310T and S310T2 sand filters, which use 2 in. plumbing and an 8 in. clamp flange.
My cover says SP 715 21 but the part number is SP071621. Is that the same part?
Yes. Hayward molds SP 715 21 into the cover and SP-716-A13 into the body of this valve. The complete assembly is SP071621, also written SP-716-21.
Is a pressure gauge included?
No. The gauge port comes with a 1/4 in. plug installed. Move your existing gauge over or order a new one.
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