Contact

1-800-266-8866*

*Toll Free

Star-ZD 25/6 | Wilo
Similar to figure

Star-ZD 25/6

Technical data
Tender text

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
Fluid temperature T 2 °C
Ambient temperature T 0 °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 7 kg
Article number 4111288
Downloads

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 (Documents)

REACH regulation

Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (162 KB)