Wilo - TOP-S 50/4 REPLACEMENT Head - 230V - Single Phase

Name: Wilo - TOP-S 50/4 REPLACEMENT Head - 230V - Single Phase
Brand: Wilo
SKU: 2046668
Price: 999.18 GBP
Availability: InStock

Part Number:

2046668

The Wilo - TOP-S 50/4 REPLACEMENT Head - 230V - Single Phase is a component designed to support the intended pump or pipework installation.

View Description | Data Sheet(s)

This item is now obsolete. Please view our alternatives below.

£1,537.20 RRP £999.18 £832.65

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Description

Wilo - TOP-S 50/4 REPLACEMENT Head - 230V - Single Phase - 2046668

Please ensure Top-S replacement head is designed and rated for your model of pump. Replacement heads cannot be returned if they have been attempted to be fitted. If unsure please contact 0800 008 6405.

Is applicable for hot-water heating systems of all kinds, industrial circulation systems, air-conditioning systems and closed cooling circuits.

Maintenance-free glandless circulation pump with threaded or flange connection, pre-selectable speed stages for power adjustment.

Includes:

Pump
Thermal insulation
Including seals for threaded connection
Washers for flange screws (for nominal connection diameters DN 40 - DN 65)
System installation and operating instructions

Benefits:

Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)
Manual power adjustment with 3 speed stages
Pump volute casing with cataphoretic coating (KTL) protects against corrosion due to condensation formation

Technical data

Permitted temperature range -20 °C to +130 °C, for short periods (2 h) to +140 °C (TOP-S 25/13, 80/15, 80/20: -20 °C 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

Protection class IP X4D
Screwed connection or flange connection (depending on type) Rp 1 to DN 100
Max. working system pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar)

Materials

Pump volute casing: Grey ductile cast iron
Hydraulic impeller: Plastic
Shaft: grade 304 stainless steel
Bearing: Carbon, metal impregnated

Construction:

Glandless circulation pump with screwed connection or flange connection.

Application

Hot-water heating systems of all kinds, industrial circulation systems, air-conditioning systems and closed cooling circuits

Equipment/function

Operating modes

Speed-stage switching

Manual functions

Setting the speed stages: 3 speed stages (2 speed stages for 1~ pumps with P2 ≥ 350 W)

Automatic functions

Internal protection against non-approved high winding temperatures (only for pumps for which P2 ≤180 W)

Signal and display functions

Thermal winding contact (WSK, potential-free NC contact) only for pumps for which P2 ≥180 W) for full motor overload protection in all speed levels with optional tripping unit SK 602N/SK 622N
Direction of rotation control light (only for 3~pumps )
Display of selected speed stage

Dual pump management (twin-head pump or 2 x single pumps)

Main/standby operation or parallel operation (for automatic system fault condition-actuated switchover/elapsed operating time-dependent pump cycling, a corresponding switchgear must be provided on-site)

Equipment

For flange-end pumps: Flange versions

Standard version for DN 40 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange in compliance with EN 1092-2) for PN 6 and PN 16 counter flanges,
Standard version for DN 80/DN 100 pumps: PN 6 flange (designed for PN 16 in compliance with EN 1092-2) for PN 6 counter flange

Cable inlet possible from both sides (only for 1~pumps and 3~pumps with P2≥180 W)
Thermal insulation as standard for heating applications

Type key

Example:	TOP-S 40/10
TOP-S	Standard pump (screw-end pump or flange-end pump)
40/	Nominal connection diameter
10	Nominal delivery head [m] at Q = 0 m³/ h

More Information
Price	£832.65
Manufacturer	Wilo
Warranty	1 year guarantee
Dimensions	L273 x H244 x W234mm
Bars	10 bar
Impeller Type	Single
Electrical supply	230V
AC Power	Single Phase
Switch	None
Duty Type	Commercial
Pump Type Filter	Replacement Pump Head
Next Day Delivery	No
Connection Size	N/A
Connection Type	N/A
Manufacturers Part Number	29991422

Data Sheet(s)

Delivery & Returns

Delivery and returns

At Pumpify, we make getting the right pump quick and straightforward.

We offer free standard delivery (2–3 working days) to mainland UK* on all pumps, spares, and accessories over £50 (ex VAT). Orders under £50 are sent on the same service for just £6.95.

Need it faster? No problem. Pumpify offers a range of next working day* delivery options, so you can choose the speed that suits the job. Just be sure to place your order before 3:30pm, Monday to Friday.

*Excludes UK Islands, Northern Ireland and Scottish Highlands.

UK Delivery Options (Orders Over £50)		UK Delivery Options (Orders Under £50)
Standard (2–3 working days)	FREE	Standard (2–3 working days)	£6.95
Next Working Day	£14.50	Next Working Day	£16.45
Next Working Day before 12:00pm	£25.00	Next Working Day before 12:00pm	£25.00
Next Working Day before 9:00am	£50.00	Next Working Day before 9:00am	£50.00
Scottish Highlands Standard	£17.50	Scottish Highlands Standard	£17.50
UK Islands & N. Ireland Standard	£60.00	UK Islands & N. Ireland Standard	£60.00

Republic of Ireland Deliveries

We can arrange delivery to the Republic of Ireland on request.
Due to additional post-Brexit requirements, these orders need to be placed directly with our customer support team:

0808 281 5795

Courier Companies

FedEx handles most small to medium parcels

Palletforce and other trusted pallet couriers are used for larger or heavier items

We always choose the most reliable option for your order.

Next Working Day Delivery

When a pump goes down, waiting isn’t an option. That’s why Pumpify offers Next Working Day Delivery on a wide range of pumps, spares, and accessories, to help keep your projects moving.

While we do everything we can to meet next-day delivery times, availability may occasionally change due to stock levels, transport schedules, or processing constraints. If this happens, the option may be removed at checkout or adjusted after ordering.

If anything changes, we’ll keep you informed and make sure your order reaches you as quickly as possible.