Diffuser, Speck 433 | 2920817403
$54.25
| Manufacturer part number | 2920817403 |
| Returns | 30-day returns – see our returns policy |
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Speck 433 Pump Diffuser 2920817403
Product Overview
We supply this precision-engineered Speck diffuser, specifically designed for the Speck 433 pump series. This component is engineered to provide optimal flow characteristics and reliable performance in these specialized pump systems.
Key Features
- Specifically designed for Speck 433 pumps
- German-engineered precision
- Optimized flow pattern design
- High-quality materials for durability
- Exact OEM specifications
Technical Details
The 2920817403 diffuser incorporates Speck’s renowned German engineering to ensure precise flow control and pressure distribution. Its specialized design maintains optimal hydraulic efficiency while meeting the specific requirements of the Speck 433 pump series, known for their reliable performance in spa and pool applications.
Exploded parts diagram: This part is shown as item #17 on the Speck Pumps Model 433 Inground & Commercial Pool Pump exploded parts diagram.
🔧 Speck Pumps Model 433 Inground & Commercial Pool Pump – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Shaft Seal Kit, Speck Model 433 |
| 31d | 34-475-W007K31D |
| 31c | 34-475-W007K31C |
| 31b | 34-475-W007K31B |
| 31a | 34-475-W007K31A |
| 30 | 34-475-W007K30 |
| 29 | 35-475-1144 |
| 28 | Mounting Plate, Speck Badu EcoM2/S90, 56 Frame Motor |
| 27 | Pump Base, Speck 433 |
| 26 | 34-475-W007K26 |
| 25 | Seal Kit, Speck 21-80/GS + G |
| 24 | Rear Housing, Speck 433 |
| 23 | 34-475-W007K23 |
| 22 | Bolt, Speck 433, Motor, Hex Head, 3/8 -16 x 2", ss |
| 21 | O-Ring, Speck 433, Housing |
| 20 | Seal Plate, Speck 433 |
| 19 | 34-475-W007K19 |
| 18 | 34-475-W007K18 |
| 17 | Diffuser, Speck 433 ◀ this part |
| 16 | O-Ring, Speck 72/S90/Badu EcoM2/EcoMV/EcoM3 V, Diffuser |
| 15 | 34-475-W007K15 |
| 14 | 34-475-W007K14 |
| 13 | Volute, Speck 433, 2.0" x 2.0", Glass/pp, Post-09/1994 |
| 12 | 34-475-W007K12 |
| 11 | 34-475-W007K11 |
| 10 | O-Ring, Speck 433, Body |
| 9 | 35-475-1148 |
| 8 | 34-475-W007K8 |
| 15 | O-Ring, Speck 433, Drain Plug |
| 14 | Plug, Speck 433, Body |
| 7 | 34-475-W007K7 |
| 6 | 34-475-W007K6 |
| 11 | Lock Ring, Speck 433, Body |
| 5 | 34-475-W007K5 |
| 6 | 35-475-1212 |
| 4 | 34-475-W007K4 |
| 6 | 35-475-1204 |
| 4 | O-Ring, Speck 433 X-Large Tank, Lid |
| 5 | Basket, Pump, OEM Speck 433 X-Large Trap |
| 3b | 34-475-W007K3B |
| 3a | Lid,Speck EasyFit/72/S90/E71/Badu EcoM2/EcoMV/EcoM3 V,Clear |
| 3b | 35-475-1208 |
| 5 | Basket, Pump, OEM Speck 433, pre-08/1988 |
| 2 | 35-475-1200 |
| 4 | O-Ring, Speck 433, Lid, pre-08/1988 |
| 2 | 34-475-W007K2 |
| 1 | Lid Removal Tool, Speck 72/S90/E71/Badu EcoM2/EcoMV/EcoM3 V |
Compatibility
This diffuser is specifically designed for:
- Speck Model 433 pumps
- Part number cross-reference: 2920817403
Installation Notes
Complete system shutdown and drainage required before replacement. Precise alignment is crucial during installation due to the specialized nature of Speck pump components. Ensure all seals and mounting surfaces are clean and properly prepared before installation.
Specifications Table
| Specification | Detail |
|---|---|
| Manufacturer | Speck |
| Model Line | 433 Series |
| Part Number | 2920817403 |
| Material | Premium-grade polymer |
| Application | Water circulation pumps |
| Replacement Type | Direct OEM replacement |
| Design Type | Precision flow optimization |
| Construction | Single-piece molded |
| Flow Pattern | Engineered vane design |
| Series Compatibility | 433 specific |
| Origin | German engineering |
| Usage | Professional applications |
🔧 Exploded diagram and parts
This part belongs to the Speck Pumps Model 433 Inground & Commercial Pool Pump assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete motors
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Motor, Century, 3.0hp, 230v, 2-Spd, 56Jfr, C-Face Thd | B966 | 2 in stock | $921.00 | Add to cart |
 |
Motor, Century, 2.0hp, 230v, 2-Spd, 56Jfr, C-Face Thd | B2979 | 3 in stock | $795.03 | Add to cart |
 |
Motor, Century, 1.0hp, 230v, 2-Spd, 56Jfr, C-Face Thd | B2975 | 2 in stock | $613.00 | Add to cart |
 |
Motor, Century, 0.75hp, 115v, 2-Spd, 56Jfr, C-Face Thd | B2973 | 2 in stock | $349.21 | Add to cart |
O-Rings
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 4 |  |
O-Ring, Speck 433 X-Large Tank, Lid | 2920941210 | 4 in stock | $34.08 | Add to cart |
| 5 |  |
Basket, Pump, OEM Speck 433 X-Large Trap | 2920914300 | 3 in stock | $93.41 | Add to cart |
| 11 |  |
Lock Ring, Speck 433, Body | 2920750600 | 2 in stock | $11.51 | Add to cart |
| 14 |  |
Plug, Speck 433, Body | 2920791211 | 8 in stock | $6.11 | Add to cart |
| 15 |  |
O-Ring, Speck 433, Drain Plug | 2923241231 | 2 in stock | $1.39 | Add to cart |
Maintenance Recommendations
Regular inspection ensures continued optimal performance. Check for signs of wear, mineral deposits, or any irregularities during routine maintenance. Maintaining proper water chemistry and following recommended cleaning procedures will help maximize component lifespan and system efficiency.
| Brand | Speck Pumps |
|---|---|
| Model | Speck 433 |
| Horsepower | 0.75hp-3.0hp |
| Number of Vanes | 5 Vanes |
| Diffuser Base OD | 6-7/16" |
| Diffuser Eye OD | 3-5/8" |
| Diffuser Height | 2-1/16" |
| Diffuser Mounting Type | Press fit |
| Impeller Space ID | 5-1/4" |
| H Part# | 35-475-1172 |