Waterway 805-0436 pump lid o-ring for 6 inch trap coverWaterway O-Ring for 6" Trap Cover, 805-0436 In stock$799
Waterway 805-0436 pump lid o-ring for 6 inch trap cover
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Waterway O-Ring for 6" Trap Cover, 805-0436

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$799
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Quick overview

  • Waterway part 805-0436 The replacement lid o-ring for the 6 inch trap cover.
  • Measured to fit 5-7/8 inch inside diameter, 6-3/8 inch outside diameter, 1/4 inch cord thickness.
  • Stops a losing-prime pump A flat or cracked lid o-ring lets the trap draw air, and the pump loses prime.
  • Used across the range Fits Waterway Hi-Flo, Champion 56 and Center Discharge pool pumps.
  • Lubricate on install A thin film of silicone o-ring lubricant helps the lid seat and seal without pinching.
  • Wear item Heat and chemistry harden the ring over time, so it is worth keeping a spare on the shelf.
Full description and specifications ↓

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Product details

Waterway 805-0436 is the lid o-ring for the 6 inch pump trap cover. It seals the clear lid against the strainer pot, which is what lets the pump hold a vacuum and keep its prime.

The size

The ring measures 5-7/8 inches inside diameter and 6-3/8 inches outside diameter, with a 1/4 inch cord thickness. It is used on Waterway Hi-Flow, Champion 56 and Center Discharge pool pumps.

When to change it

Pool chemistry and heat harden the rubber over time. Once the ring flattens, cracks or takes a permanent set, the lid stops sealing and the pump starts drawing air at the trap. Symptoms are a pump that will not prime, a basket that never fills, or a trickle of water weeping past the lid. Replacing the ring is a two minute job and it is worth keeping a spare on hand.

Clean the groove and the sealing face before fitting the new ring, then seat the lid by hand. A thin film of silicone o-ring lubricant helps it sit evenly and keeps the lid from sticking.

Specifications
Brand Waterway
Manufacturer part number 805-0436
UPC 806105129826
Type Pump lid o-ring
Inside diameter 5-7/8"
Outside diameter 6-3/8"
Cord thickness 1/4"
Fits Waterway Hi-Flow, Waterway Champion 56, Waterway Center Discharge pool pumps
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?
Inside diameter 5-7/8 inches, outside diameter 6-3/8 inches, and a 1/4 inch cord thickness.
Which pumps does it fit?
Waterway pumps that use the 6 inch trap cover, including the Hi-Flow, the Champion 56 and the Center Discharge models.
My pump keeps losing prime. Is this the fix?
It is the first thing to check. A hardened, flattened or split lid o-ring lets the trap pull air, and the pump will not hold prime.
Do I need lubricant?
It is not required, but a light coat of silicone o-ring lubricant helps the ring seat evenly and makes the lid easier to remove next time.
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