🔧 What this part is
Custom Molded Products 2In Union (Nut, Sleeve, T-Gasket), part number 21023-000-000. A union lets you disconnect a pump, heater or filter without cutting pipe.
Connections: union.
✅ Check before you order
- The connections have to match: union.
- The number on the old part should read 21023-000-000, 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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Tool, Pool Tool, O-Ring Pick | 134 | 18 in stock | $11.23 | Add to cart |














