TOP-Z

Glandless pump circulator

Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)
With thermal insulation as standard

Wilo-TOP-Z

Number of results: [36]

Pump connection

DN 40 [8]

DN 50 [4]

DN 65 [4]

DN 80 [6]

G 1½ [6]

G 1¼ [2]

G 2 [6]

Mains connection

1~230 V, 50 Hz [11]

3~400 V, 50 Hz [25]

Port-to-port length L0

150 mm [2]

180 mm [12]

250 mm [8]

280 mm [4]

340 mm [4]

360 mm [6]

Maximum operating pressure PN

6 bar [2]

10 bar [20]

16 bar [14]

Pump housing material

Bronze, CC499K [13]

Grey cast iron [9]

Red brass, CC470K [10]

Stainless steel [4]

Product description	Pump connection	Port-to-port length L0	Maximum operating pressure PN	Mains connection	Pump housing material	Gross weight, approx. m	Pieces per pallet	Article number
TOP-Z 20/4 (1~230 V, PN 10, Inox)	G 1¼	150 mm	10 bar	1~230 V, 50 Hz	Stainless steel	3.7 kg	96	2045519
TOP-Z 20/4 (3~400 V, PN 10, Inox)	G 1¼	150 mm	10 bar	3~400 V, 50 Hz	Stainless steel	3.8 kg	96	2045520
TOP-Z 25/6 (1~230 V, PN 10, Inox)	G 1½	180 mm	10 bar	1~230 V, 50 Hz	Stainless steel	4.1 kg	96	2045521
TOP-Z 25/6 (3~400 V, PN 10, Inox)	G 1½	180 mm	10 bar	3~400 V, 50 Hz	Stainless steel	4.1 kg	96	2045522
TOP-Z 25/10 (1~230 V, PN 10, RG)	G 1½	180 mm	10 bar	1~230 V, 50 Hz	Red brass, CC470K	7.8 kg	96	2061964
TOP-Z 25/10 (1~230 V, PN 16, RG)	G 1½	180 mm	16 bar	1~230 V, 50 Hz	Red brass, CC470K	7.8 kg	96	2086131
TOP-Z 25/10 (3~400 V, PN 10, RG)	G 1½	180 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	7.8 kg	96	2175509
TOP-Z 25/10 (3~400 V, PN 16, RG)	G 1½	180 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	7.8 kg	96	2175510
TOP-Z 30/7 (1~230 V, PN 10, RG)	G 2	180 mm	10 bar	1~230 V, 50 Hz	Red brass, CC470K	6 kg	96	2048340
TOP-Z 30/7 (3~400 V, PN 10, RG)	G 2	180 mm	10 bar	3~400 V, 50 Hz	Red brass, CC470K	5.9 kg	96	2048341
TOP-Z 30/10 (1~230 V, PN 10, RG)	G 2	180 mm	10 bar	1~230 V, 50 Hz	Red brass, CC470K	7.6 kg	96	2059857
TOP-Z 30/10 (1~230 V, PN 16, RG)	G 2	180 mm	16 bar	1~230 V, 50 Hz	Red brass, CC470K	7.6 kg	96	2115863
TOP-Z 30/10 (3~400 V, PN 10, RG)	G 2	180 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	7.8 kg	96	2175512
TOP-Z 30/10 (3~400 V, PN 16, RG)	G 2	180 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	7.7 kg	96	2175513
TOP-Z 40/7 (1~230 V, PN 6/10, GG)	DN 40	250 mm	10 bar	1~230 V, 50 Hz	Red brass, CC470K	12.4 kg	45	2046631
TOP-Z 40/7 (1~230 V, PN 6/10, RG)	DN 40	250 mm	10 bar	1~230 V, 50 Hz	Red brass, CC470K	14.2 kg	45	2046637
TOP-Z 40/7 (1~230 V, PN 16, GG)	DN 40	250 mm	16 bar	1~230 V, 50 Hz	Red brass, CC470K	12.4 kg	45	2071094
TOP-Z 40/7 (1~230 V, PN 16, RG)	DN 40	250 mm	16 bar	1~230 V, 50 Hz	Red brass, CC470K	14.2 kg	45	2070569
TOP-Z 40/7 (3~400 V, PN 6/10, GG)	DN 40	250 mm	10 bar	3~400 V, 50 Hz	Grey cast iron	12 kg	45	2175515
TOP-Z 40/7 (3~400 V, PN 6/10, RG)	DN 40	250 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	14.2 kg	45	2175516
TOP-Z 40/7 (3~400 V, PN 16, GG)	DN 40	250 mm	16 bar	3~400 V, 50 Hz	Grey cast iron	12.4 kg	45	2175517
TOP-Z 40/7 (3~400 V, PN 16, RG)	DN 40	250 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	14.2 kg	45	2175518
TOP-Z 50/7 (3~400 V, PN 6/10, GG)	DN 50	280 mm	10 bar	3~400 V, 50 Hz	Grey cast iron	17.9 kg	28	2175521
TOP-Z 50/7 (3~400 V, PN 6/10, RG)	DN 50	280 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	20.7 kg	28	2175522
TOP-Z 50/7 (3~400 V, PN 16, GG)	DN 50	280 mm	16 bar	3~400 V, 50 Hz	Grey cast iron	18 kg	28	2175523
TOP-Z 50/7 (3~400 V, PN 16, RG)	DN 50	280 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	21 kg	28	2175524
TOP-Z 65/10 (3~400 V, PN 6/10, GG)	DN 65	340 mm	10 bar	3~400 V, 50 Hz	Grey cast iron	29.7 kg	12	2175527
TOP-Z 65/10 (3~400 V, PN 6/10, RG)	DN 65	340 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	32.5 kg	12	2175528
TOP-Z 65/10 (3~400 V, PN 16, GG)	DN 65	340 mm	16 bar	3~400 V, 50 Hz	Grey cast iron	29.7 kg	12	2175529
TOP-Z 65/10 (3~400 V, PN 16, RG)	DN 65	340 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	32.5 kg	12	2175530
TOP-Z 80/10 (3~400 V, PN 6, GG)	DN 80	360 mm	6 bar	3~400 V, 50 Hz	Grey cast iron	30 kg	12	2175531
TOP-Z 80/10 (3~400 V, PN 6, RG)	DN 80	360 mm	6 bar	3~400 V, 50 Hz	Bronze, CC499K	34.5 kg	12	2175532
TOP-Z 80/10 (3~400 V, PN 10, GG)	DN 80	360 mm	10 bar	3~400 V, 50 Hz	Grey cast iron	34 kg	12	2175533
TOP-Z 80/10 (3~400 V, PN 10, RG)	DN 80	360 mm	10 bar	3~400 V, 50 Hz	Bronze, CC499K	37 kg	12	2175534
TOP-Z 80/10 (3~400 V, PN 16, GG)	DN 80	360 mm	16 bar	3~400 V, 50 Hz	Grey cast iron	34 kg	12	2175535
TOP-Z 80/10 (3~400 V, PN 16, RG)	DN 80	360 mm	16 bar	3~400 V, 50 Hz	Bronze, CC499K	37 kg	12	2175536

TOP-Z

Design

Glandless circulator with screwed connection or flange connection. Pre-selectable speed stages for power adjustment

Application

Domestic hot water circulation systems in industry and building services.

Equipment/function

Operating modes

Speed-stage switching

Manual functions

Setting the speed stages: 3 speed stages

Automatic functions

Internal protection against unacceptably high winding temperatures (only for pumps with P2 < 180 W, optional for all types with switchgears SK 602N and SK 622N).

Signal and display functions

Thermal winding contact (WSK, potential-free NC contact) (only for pumps with P2 ≥ 180 W)
Direction of rotation signal lamp (only for 3~ pumps)

Equipment

For flange-end pumps: Flange versions
- Standard version for DN 40 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flanges,
- Standard version for pumps DN 80: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange
- Special version for DN 40 to DN 80 pumps: PN 16 flange (according to EN 1092-2) for PN 16 counter flange,
Cable inlet possible from both sides (only for 1~pumps and 3~pumps with P2≥180 W)
Thermal insulation as standard

Type key

Example:	Wilo-TOP-Z 40/7
TOP	Standard pump (screw-end pump or flange-end pump)
-Z	Single pump for domestic hot water circulation
40/	Nominal connection diameter
7	Nominal delivery head [m] at Q = 0 m3/h

Technical data

Permissible temperature range
- TOP-Z 20/4 and TOP-Z 25/6 drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in short-term operation (2 h) up to +80 °C
- from TOP-Z 25/10 drinking water up to 3.57 mmol/l (20 °dH): max. +80 °C, in short-term operation (2 h) up to +110 °C
Mains connection:
- 1~230 V, 50 Hz (depending on type)
- 3~230 V, 50 Hz (with optional switching plug)
- 3~400 V, 50 Hz
IP rating IP X4D
Screwed connection or flange connection (depending on type) Rp ¾ to DN 80
Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar or 16 bar)

Materials

Pump housing: Stainless steel/red brass/grey cast iron (depending on type)
Impeller: Plastic
Shaft: Stainless steel/ceramic (depending on type)
Bearing: Carbon, synthetic resin impregnated

Scope of delivery

Pump
Thermal insulation
Gaskets for threaded connection
Washers for flange screws (for nominal connection diameters DN 40 – DN 65)
Installation and operating instructions

Options

Special versions for operating pressure PN 16
Version for special voltage on request

Accessories

Screwed connections for threaded connection
Adapter fittings
Wilo-SK 601N timer switchgear
For pumps 3~400 V:
- Switching plug 3~230 V, 50 Hz
- Wilo SK 602N/SK 622N tripping unit for full motor protection
For pumps 1~230 V:
- Wilo SK 602N/SK 622N tripping unit for full motor protection

Filtered by

Document type

Installation and operating instructions [1]

Group Statement [1]

Standard Conformity [1]

Language

English [1]

language neutral [2]

Deutsch (German) [1]

Čeština (Czech) [1]

Español (Spanish) [1]

Suomi (Finnish) [1]

Datasheet and documentation

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Create your own product datasheet

Catalogue creation

Create your personal catalogue with selected products and accessories

Installation and operating instructions

Wilo-TOP-Z

Article Number	2202029
Issue date	2026-03
Edition	03
Language	ar, de, el, en, es, fr, it, nl, pt, tr

Download (16 MB)

Group Statement

Group Statement REACH

Issue date	2021-05
References	REACH
Certification and inspection body	Self Declaration
Issue date	2026-04-17
Language	language neutral

Download (434 KB)

Standard Conformity

Standard Conformity 2223943-01

References	2223943-01
Certification and inspection body	Self Declaration
Issue date	2024-02-04
Language	language neutral

Download (210 KB)

TOP-Z

Glandless pump circulator

Recommended services

Design

Application

Equipment/function

Type key

Technical data

Materials

Scope of delivery

Options

Accessories

Filtered by

Datasheet and documentation

Generate PDF

Catalogue creation

Installation and operating instructions

Wilo-TOP-Z

Group Statement

Group Statement REACH

Standard Conformity

Standard Conformity 2223943-01