Wilo TOP-Z 20/4 (1~230 V, PN 10, Inox) Glandless Circulator Pump
11135
The Wilo TOP-Z 20/4 (1~230 V, PN 10, Inox) is a glandless hot-water circulation pump from the Wilo TOP-Z range. Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment.
Applications
- Domestic hot water circulation systems in industry and building services
Features
- Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)
- With thermal insulation as standard
Specifications
| Parameter | Value |
|---|---|
| Brand | Wilo |
| Item code | 2045519 |
| Model | TOP-Z 20/4 (1~230 V, PN 10, Inox) |
| Series | Wilo TOP-Z |
| Type | glandless hot-water circulation pump |
| Pump housing material | Stainless steel |
| Pump connection | G 1¼ |
| Port-to-port length (mm) | 150 |
| Max. operating pressure (bar) | 10 |
| Mains connection | 1~230 V, 50 Hz |
| Maximum operating pressure PN | 10 bar |
| Delivery head for Qmin H Qmin | 3.4 m |
| Max. volume flow Qmax | 3.9 m³/h |
| Min. fluid temperature for HVAC applications Tmin | 0 °C |
| Max. fluid temperature for HVAC applications Tmax | 65 °C |
| Min. fluid temperature for drinking water applications Tmin | 0 °C |
| Max. fluid temperature for drinking water applications Tmax | 65 °C |
| Max. fluid temperature for drinking water applications in short-time duty (2 hours) Tmax | 80 °C |
| Min. ambient temperature Tmin | 0 °C |
| Max. ambient temperature Tmax | 40 °C |
| Max. permitted total water hardness | 3.57 mmol/l (20°dH) (3.21 mmol/l (18°dH) for 20/4 + 25/6) |
| Emitted interference | EN 61000-6-3 |
| Interference resistance | EN 61000-6-2 |
| Power consumption P1 max | 105 W |
| Max. speed nmax | 2790 1/min |
| Rated current IN | 0.5 A |
| Protection class motor | IPX4D |
| Threaded cable connection | 1 x PG13.5 |
| Max. fluid temperature Tmax | 65 °C |
| Min. fluid temperature Tmin | 0 °C |
| Temperature range at max. ambient temperature +40 °C T | -20...+110 °C |
| Pump housing | Stainless steel |
| Impeller | PPE-GF30 |
| Shaft | Oxide ceramic |
| Port-to-port length L0 | 150 mm |
Dimensions & Weight
| Dimension | Value |
|---|---|
| Length L | 150 mm |
| Width W | 140 mm |
| Height H | 216 mm |
| Net weight (approx.) | 3 kg |
| Gross weight (approx.) | 3.7 kg |
| Length with packaging | 270 mm |
| Width with packaging | 178 mm |
| Height with packaging | 215 mm |
Data from the Wilo online catalogue and the Wilo South Africa price list. Specifications may change without notice.