Star-Z 25/2 EM | Wilo
Technical data
Tender text

This circulation pump is suitable only for drinking water.

Domestic hot water circulation pump, constant-speed glandless pump for pipe installation. Blocking current-proof motor Pump housing made of bronze, impeller made of fibreglass-reinforced plastic, ceramic shaft with resin-impregnated carbon friction bearings.

Operating data
Fluid media
Water
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
46 W
Max. speed nmax
2700 1/min
Rated current IN
0.22 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 pressure side DNd
G 1½
Port-to-port length L0
180 mm
Information for order placements
Brand
Wilo
Product description
Star-Z 25/2 EM
Net weight, approx. m
2 kg
Article number
4029062
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 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)
BIM/CAD

STAR-Z25/2 EM

Number of pages
DWG (2 MB)

STAR-Z25/2 EM

STP (2 MB)

STAR-Z25/2 EM

Number of pages
DWG (12 KB)

STAR-Z25/2 EM

Number of pages
DWG (14 KB)

STAR-Z25/2 EM

Number of pages
DWG (12 KB)