Pentair 271151 top valve o-ring for 2 inch HiFlow multiport valvesPentair Genuine OEM O-Ring, Valve Top, 2", 271151 In stock$1499
Pentair 271151 top valve o-ring for 2 inch HiFlow multiport valves
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Pentair Genuine OEM O-Ring, Valve Top, 2", 271151

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$1499
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Quick overview

  • Genuine Pentair Factory part number 271151.
  • For 2 inch HiFlow multiports Listed for the HiFlow 2 inch top mount and side mount multiport valves.
  • 6-3/4 inch inside diameter Measure the old ring before ordering, since valve o-rings look alike and are not interchangeable.
  • 1/8 inch cross section The thickness of the ring itself, which sets how it seats in the groove.
  • Seals the valve top Sits between the valve body and the top cover to keep water inside the valve.
  • Change it when the valve is open Any time the top comes off for a spider gasket or diverter job, the o-ring should be replaced too.
Full description and specifications ↓

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Product details

The Pentair 271151 is the genuine top valve o-ring for HiFlow 2 inch multiport valves, in both the top mount and side mount configurations. It measures 6-3/4 inches inside diameter with a 1/8 inch cross section.

What it seals

The multiport valve is a body with a rotating diverter under a bolted cover. This o-ring goes between the body and that cover. It is the seal that keeps the whole valve from weeping around its rim once the bolts are torqued down.

Reading the leak

Where water shows up tells you which seal has failed. Dripping from the joint around the top cover is this o-ring. Water running continuously to waste while the valve is set to filter is the spider gasket underneath, a different part. Get that distinction right before you order.

When the valve is open for any reason, replace this o-ring while you are in there. Lubricate it with a silicone pool lubricant, never a petroleum grease.

Specifications
Brand Pentair
Manufacturer part number 271151
UPC 788379693510
Part type Filter valve part
Type Top valve o-ring
Inside diameter 6-3/4"
Cross section 1/8"
Fits Pentair HiFlow 2" top mount and side mount multiport valves
Shipping weight 0.02 lb
Ships Parcel

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Questions and answers

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

What size is this o-ring?
6-3/4 inch inside diameter with a 1/8 inch cross section.
Which valves does it fit?
The Pentair HiFlow 2 inch multiport valves in both the top mount and side mount configurations.
My multiport is leaking from the top. Is this it?
Water weeping out of the seam between the valve body and the top cover is the top o-ring. Water going to waste while filtering is the spider gasket instead, which is a different part.
Should I lubricate it?
Use a silicone based lubricant made for pool o-rings. Petroleum grease attacks the rubber and shortens the life of the seal.
Ask your own question