Circulation Pump RS-156
The Demax RS-15/6 is a low-noise circulation pump designed for solar heating systems (and other applications like hot/cold water systems, HVAC, etc.). It features a wet motor, pre-selectable power stages, and flexible electrical connections, with a performance curve defining its head (H) vs. flow rate (Q) capabilities.
- Introduction
- Main features
- Specifications
- Recommended

|
Category |
Details |
|
Features |
- Wet motor pump, low noise - Pre-selectable power stages for adjustment - Electrical connections possible on both sides of the terminal box - Terminal Box positions: 3h; 9h; 12h |
|
Applications |
- Solar heating systems - Hot water heating applications of all kinds - Industrial circulation systems - Cold water system and air-conditioning systems - Roof tank to water tap transfer (with flow switch) |
|
Specifications (RS-15/6) |
- Electrical connection: 1-220V/50Hz - Input power P1 (W): 93/67/46 - Approved fluids: Clean water - Fluid temp (°C): -10 ~ +110- Total head (m): 2006-5-3 - Max flow (m³/h): 5/1/25- Inlet size (mm): 15 - Outlet size (mm): 15- Max pressure (bar): 10 - Protection class: IP42- Weight (kg): 2.1 |
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Materials |
- Casing: Cast iron- Impeller: Plastic - Shaft: Stainless Steel H |
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Dimensions (mm) |
- Overall (from drawing): 100 (length), 130 (height), 92.5 (width) - Connection size: 1" |
|
Energy Class |
C (per EU Energy Label) |
| Specification(RS15/6) | |
| Electrical connection | |
| Power source | 1~220V/50Hz |
| nput power P1(W) | 93/67/46 |
| Applications | |
| Approved fluids | Clean water |
| Fluid temp(℃) | -10~+110 |
| Performance data | |
| Total head(m) | 2006-5-3 |
| Max flow(V/min) | 57/41/25 |
| Inlet size(mm) | 15 |
| Outlet size(mm) | 15 |
| Max pressure(bar) | 10 |
| Protection class | IP42 |
| Weight (kg) | 2.1 |
| Materials | |
| Casing | Cast Iron |
| Impeller | Plastic |
| Shaft | Stainless Steel H |