Speck Drain Cap Assembly 2901158200
Product Overview
As a retailer of hot tub spare parts, I’m offering this versatile drain cap assembly, engineered for multiple Speck pump series including the 72, S90, E71, and Badu EcoM2/EcoM3 V models. This component includes both the 3/8″ drain cap and gasket for a complete seal.
Key Features
- Multi-model compatibility
- Includes matching gasket
- 3/8″ drain port size
- German-engineered precision
- Complete assembly package
Technical Details
The 2901158200 drain cap assembly incorporates Speck’s renowned German engineering standards. The 3/8″ cap with included gasket ensures proper sealing and easy access for drainage operations. The design provides reliable closure while allowing quick removal when needed.
Exploded parts diagrams: This part is shown as item #9 on the Speck Pumps S90/BADU® EcoM2 Inground & Commercial Pool Pump; item #7 on the Speck Pumps 72/BADU® EcoMV Inground & Commercial Pump; item #9 on the Speck Pumps BADU® EcoM3 V Inground Pool Pump; item #8 on the Speck Pumps Model ES90 Inground Pool Pump; item #7 on the Speck Pumps Model A91 Above-Ground & Inground Pool Pump; item #7 on the Speck Pumps Model E71 Above-Ground Pool Pump; and 4 other assemblies exploded parts diagrams.
🔧 Speck Pumps S90/BADU® EcoM2 Inground & Commercial Pool Pump – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
Compatibility
This drain cap assembly is specifically designed for:
- Speck Model 72 pumps
- Speck S90 pumps
- Speck E71 pumps
- Badu EcoM2 pumps
- Badu EcoM3 V pumps
- Part number cross-reference: 2901158200
Installation Notes
Hand-tighten only – do not over-torque. Ensure gasket is properly seated before installation. Clean all sealing surfaces before assembly. Replace gasket if any signs of wear or damage are present.
Specifications Table
| Specification | Detail |
|---|---|
| Manufacturer | Speck |
| Model Lines | 72/S90/E71/Badu EcoM2/EcoM3 V |
| Part Number | 2901158200 |
| Port Size | 3/8 inch |
| Material Cap | Chemical-resistant polymer |
| Material Gasket | High-grade rubber compound |
| Application | Pump drainage |
| Replacement Type | Direct OEM replacement |
| Design Type | Quick-access drain |
| Construction | Two-piece assembly |
| Thread Type | 3/8″ standard |
| Usage | Maintenance access |
Maintenance Recommendations
Regular inspection during routine maintenance. Check for proper sealing and gasket condition. Replace entire assembly if any leakage occurs or if threads show wear. Always clean threads and sealing surfaces before reinstallation.
























