🔧 What this part is
Waterway Plastics T/L Filter Lid W/Plug & O-Rings, part number 550-5100. A gasket or seal is a wear part: renew it whenever the housing it belongs to is opened up.
✅ Check before you order
- The number on the old part should read 550-5100, or the maker’s equivalent.
- Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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10 Tablet Brominator S Assy (New 2012) – Clear | 500-1098 | 3 in stock | $34.84 | Add to cart |
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Drain Plug, Waterway HiFlo, 3/8", with O-Ring | 760-1201 | 61 in stock | $6.19 | Add to cart |
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Drain Plug, Waterway | 715-1201 | 204 in stock | $3.60 | Add to cart |
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Waterway Filter Air Relief Plug 715-1001 | 715-1001 | 25 in stock | $4.21 | Add to cart |







