Waterway 805-0224 Buna-N o-ring, 1-3/4 in. inside diameterWaterway 1.5" O-Ring, 805-0224 In stock$499
Waterway 805-0224 Buna-N o-ring, 1-3/4 in. inside diameter
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Waterway 1.5" O-Ring, 805-0224

Ask a questionMPN 805-0224
$499
In stock
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Quick overview

  • Two numbers, and both matter It is catalogued as a 1.5 in. o-ring, and the measured inside diameter is 1-3/4 in. with a 1/8 in. section.
  • Buna-N Nitrile rubber, the standard material for pool water and general service seals.
  • Clearwater II filters Listed for the Waterway Clearwater II cartridge and DE filters from 2006 to present.
  • Sand filters too Also listed against the Waterway UltraClean Pro and Carefree sand filters.
  • Measure before ordering Because the catalog name and the measured size differ, check the old ring against 1-3/4 in. inside diameter rather than against the 1.5 in. in the name.
  • Genuine Waterway Part number 805-0224.
Full description and specifications ↓

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Product details

The Waterway 805-0224 is a Buna-N o-ring listed for Waterway filters. It is catalogued as a 1.5 in. o-ring, while the stated actual dimensions are a 1-3/4 in. inside diameter and a 1/8 in. cross section. Both figures come from Waterway, and it is worth knowing both before you order.

Where it is listed

Waterway lists this ring against the Clearwater II cartridge and DE filters from 2006 to present, and against the UltraClean Pro and Carefree sand filters. The broader Waterway description also calls it a replacement for various filters and pumps, which is a fair reflection of how widely a common section size gets used.

Check it against the old one

Because the name and the measured size are not the same number, do not order on the name alone. Lay the old ring flat, measure across the opening, and look for something close to 1-3/4 in. with rubber about 1/8 in. thick. Buna-N handles pool water well, but it hardens over years of chlorine and heat, so a ring that has gone stiff and square in section is due regardless of whether it is leaking yet.

Specifications
Brand Waterway
Manufacturer part number 805-0224
UPC 806105129581
Type O-ring
Material Buna-N
Listed size 1.5 in.
Actual inside diameter 1-3/4 in.
Cross section 1/8 in.
Part type Pool filter part
Fits Waterway Clearwater II cartridge filters and Clearwater II DE filters, 2006 to present; Waterway UltraClean Pro sand filters; Waterway Carefree sand filters
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

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

Is it 1.5 in. or 1-3/4 in.?
Both figures come from the source. Waterway catalogues it as a 1.5 in. o-ring, and the stated actual inside diameter is 1-3/4 in. with a 1/8 in. cross section. Measure your old ring against 1-3/4 in. across the hole.
What is it made of?
Buna-N, the nitrile rubber normally used for pool water seals.
Which equipment is it listed for?
Waterway Clearwater II cartridge and DE filters from 2006 onward, plus the UltraClean Pro and Carefree sand filters. Waterway also describes it more broadly as fitting various filters and pumps.
How do I measure an o-ring?
Lay it flat without stretching it. Measure straight across the opening for the inside diameter, then measure the thickness of the rubber for the cross section.
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