Adapter, 2-1/2″ Slip x 2″ Slip, Straight | 642-3680
$12.08
| Manufacturer part number | 642-3680 |
| UPC (GTIN) | 806105113566 |
| Returns | 30-day returns – see our returns policy |
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Premium Reducing Slip Adapter – 2-1/2″ to 2″ | 642-3680
Product Overview
We supply this professional-grade straight reducing adapter that transitions from 2-1/2″ to 2″ slip connections. This component provides a smooth reduction in pipe size for your plumbing system.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 642-3680 |
| Large End | 2-1/2 inch slip |
| Small End | 2 inch slip |
| Style | Straight reducer |
| Material | Chemical-resistant thermoplastic |
| Type | Slip x slip |
| Design | Straight reduction |
Exploded parts diagram: This part is shown on the Waterway 5″ Ultra Flo Suction Fitting exploded parts diagram.
🔧 Waterway 5" Ultra Flo Suction Fitting – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Vacuum Break Fitting, Suction, 2-1/2"s x 2-1/2"spg, 90 Ell |
| – | Vacuum Break Fitting,Suction,2-1/2"spg x 2"s x 3/4"sb,90 Ell |
| – | 90 Elbow, 2-1/2" Slip x 2" Spigot |
| – | Adapter, 2-1/2" Slip x 2" Slip, Straight ◀ this part |
| 6 | Nut, Waterway 5" Super Hi-Flo Wall Fitting, 2" or 2-1/2" |
| 5 | Gasket, Waterway Super Hi-Flow Suction Fitting |
| 4 | Wall Fitting, WW 5" Ultra Flo, 2-3/8"hs, 2"s |
| 3 | 54-270-W015K3 |
| 2 | Screw, Waterway Ultra Flo Cover |
| 1 | 54-270-W015K1 |
Key Features
- Smooth size reduction
- Precision slip connections
- Professional-grade construction
- Chemical and UV-resistant materials
- Optimized flow transition
Installation Benefits
- Direct size reduction
- Easy slip connections
- Professional finish
- Reliable sealing
- Streamlined flow pattern
🔧 Exploded diagram and parts
This part belongs to the Waterway 5" Ultra Flo Suction Fitting assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 5 |  |
Waterway Gasket 711-3260 | 711-3260 | 195 in stock | $1.84 | Add to cart |
| 6 |  |
Jet Face Parts 642-3620 | 642-3620 | 44 in stock | $6.00 | Add to cart |
 |
Vacuum Break Fitting, Suction, 2-1/2"s x 2-1/2"spg, 90 Ell | 642-3610V | 6 in stock | $7.25 | Add to cart | |
 |
Waterway Suction Fitting 642-3700V | 642-3700V | 13 in stock | $6.03 | Add to cart | |
 |
90 Elbow, 2-1/2" Slip x 2" Spigot | 642-3700 | 7 in stock | $5.54 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Suction Assembly, WW 5" Ultra Flo, 3-1/4"hs, 2-1/2"s, Gray | 640-3937 VP | 6 in stock | $42.01 | Add to cart |
Applications
- Main line transitions
- Equipment connections
- Pump installations
- System modifications
- Flow optimization
| Brand | Waterway |
|---|---|
| Plumbing Connection Type | Slip (s), Smooth Barb (sb) |
| Plumbing Connection Size | 1-1/2", 1", 2-1/2", 2" |
| Drain/Suction Part Type | Adapter |
| H Part# | 89-270-1040 |