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Star-ZD 25/6
Article number: 4111288
This circulator is suitable only for drinking water.
Domestic hot water circulator, glandless twin-head pump in the same housing with switchover valve, for pipe installation with screwed connection, blocking-current proof motor and manual 3-stage speed connection. Pump housing made of bronze, impeller made of plastic, ceramic shaft, resin-impregnated carbon friction bearings.
| Operating Data | |
|---|---|
| Max. fluid temperature Tmax | 65 °C |
| Min. fluid temperature Tmin | 2 °C |
| Min. ambient temperature Tmin | 0 °C |
| Max. ambient temperature Tmax | 40 °C |
| Maximum operating pressure PN | 10 bar |
| Max. permitted total water hardness | 3.21 mmol/l (18°dH) |
| Motor data | |
|---|---|
| Interference emission | EN 61000-6-3 |
| Interference immunity | EN 61000-6-2 |
| Mains connection | 1~230 V, 50 Hz |
| Power consumption P1 max | 128 W |
| Max. speed nmax | 2700 1/min |
| Rated current IN | 0.56 A |
| Protection class motor | IP44 |
| Threaded cable connection | 1 x PG11 |
| Materials | |
|---|---|
| Pump housing | Bronze |
| Impeller | PPE-GF30 |
| Shaft | Oxide ceramic |
| Bearing | Carbon, synthetic resin-impregnated |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | G 1½ |
| Pipe connection on the discharge side DNd | G 1½ |
| Port-to-port length L0 | 180 mm |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | Star-ZD 25/6 |
| Net weight, approx. m | 6.5 kg |
| Article number | 4111288 |
Installation and operating instructions
Wilo-Star-Z/-ZD
| Article Number | 4236978 |
| Edition | 2019-08 |
| Page format | 105.1 x 148.2 mm |
| Number of pages | 184 |
PDF (5 MB)Certificate REACH
REACH Regulation
| Edition | 2021-05 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 4 |
PDF (212 KB)