Pentair 273090 o-ring, 1-1/2 inch inside diameter by 3/16 inch, for 2 inch push-pull valvesPentair O-Ring, 1-1/2" ID x 3/16", 2 Required, 273090 In stock$1199
Pentair 273090 o-ring, 1-1/2 inch inside diameter by 3/16 inch, for 2 inch push-pull valves

Pentair O-Ring, 1-1/2" ID x 3/16", 2 Required, 273090

Ask a questionMPN 273090
$1199
In stock

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Quick overview

  • Genuine Pentair Factory o-ring 273090, sized to the valve rather than pulled from a generic assortment.
  • Two per valve The valve is built to use a pair of these o-rings, so plan on replacing both at once.
  • Sized 1-1/2 inch ID Nominal 1-1/2 inch inside diameter with a 3/16 inch cross section.
  • Push-pull valve service Listed with the 2 inch Pentair push-pull valve replacement parts.
  • Also listed for slide multiport The same o-ring appears against the Sta-Rite 2 inch PVC slide multiport valve, models 261047 and 261165.
  • Stops the bypass leak A flattened or hardened o-ring is what lets a push-pull valve pass water between positions.
Full description and specifications ↓

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Product details

Pentair 273090 is the o-ring used on 2 inch push-pull valves, nominal 1-1/2 inch inside diameter with a 3/16 inch cross section. Two are required, so it is a part to buy as a pair.

Where it goes

A push-pull valve seals on the o-rings carried on its shaft. Pulling and pushing the handle drags those rings across the valve body every time the pool is backwashed, and over a season or two they flatten, glaze over and lose their squeeze. The valve then bypasses, which shows up as water going down the waste line while the system is set to filter, or as filtered water finding its way back to the pump.

Fitting

Replace both o-rings at the same time. Fitting one new and one old ring leaves the worn one to fail first and puts you back where you started. Lubricate the new rings with a pool grade silicone lubricant before assembly, not a petroleum grease, which swells the rubber.

Other valves

The same o-ring is also listed against the Sta-Rite 2 inch PVC slide multiport valve, models 261047 and 261165.

Specifications
Brand Pentair
Manufacturer part number 273090
UPC 788379693312
Type O-ring
Inside diameter 1-1/2"
Cross section 3/16"
Quantity required 2
Fits 2" Pentair push-pull valve
Also listed for Sta-Rite 2 inch PVC slide multiport valve, models 261047 and 261165
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.

How many o-rings does the valve need?
Two. The part is listed as 2 required, so replace the pair together rather than one at a time.
Does this listing include both o-rings?
The source does not state a pack quantity, only that the valve requires two. Check the quantity in your cart before you check out.
What size is it?
Nominal 1-1/2 inch inside diameter with a 3/16 inch cross section.
Why is my push-pull valve leaking past?
The shaft o-rings take the wear. When they flatten, harden or split, the valve passes water between positions even when it is pushed fully home, and new o-rings are the fix.
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