Mono CMS 241 Self-Priming Water Pump - 230v

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£509.50 RRP £433.20 £361.00
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Mono MS pump, 230v. The Mono M-range pumps are small and compact being specifically designed for a wide range of domestic & light industrial applications including cellar drainage, the emptying of septic tanks and the transfer of diesel, water-based inks, vegetable oils & non-agressive chemicals.
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A helical rotor self-priming pump suitable for drainage irrigation and water supply from wells and rivers. 

Can also be used for pumping diesel and oils. Fully self-priming the Mono M range pump achieves suction lifts up to 26ft (8m) this means that it can be mounted accessibly and well clear of the liquid level.

Compact design

In this sense Mono ‘M’ means ‘mini’. The largest model in the range occupies little more than half a cubic foot of space, and requires less than half as much again for in-situ dismantling and maintenance.

Pumping principle

A helical rotor revolves eccentrically within a resilient double helix stator of twice the pitch. The rotor turning within the stator forms cavities which progress uniformly from suction to discharge, carrying the material with them.

Reliable performance

The Mono M range will satisfy the toughest duties. Just like the larger industrial pumps that have a long record of success in all sorts of demanding duties, the M range can handle viscous liquids and random solids. It features an abrasion and chemical resistant stator, a precision-engineered stainless steel rotor, a mechanically sealed drive shaft and a close-grained cast iron pump housing.

Easy maintenance

Space isn’t the only economy with the Mono M range. Being simply designed and easily dismantled, maintenance work is minimal, requiring no special skills or tools.

Positive pumping action

To ensure steady output pressure and non-pulsing flow with minimal slippage, the pump operates on the progressing cavity pumping principle. A very useful feature when pumping heating oil to burner nozzles, for example.


Fully self-priming, the Mono M range achieves suction lifts up to 26ft (8m). This means that it can be mounted accessibly and well clear of the liquid level.

Smooth, silent running

The pump’s smooth action and resilient rubber stator ensure quiet running - a very desirable feature for domestic installations.

More Information
Price £361.00
Manufacturer Mono
Guarantee 1 year guarantee
Bars 3 bar
Electrical supply 230V
AC Power Single Phase
Flow Rate 12.5 Ltr/min
Max Head 8m
Pump Type Self-Priming
Switch None
Duty Type Domestic
Submersible vs Surface Mounted Surface Mounted
Connection Size 3/4 inch

Delivery and returns

  • Next Day Delivery

    Free Delivery

    On orders to UK Mainland Over £50 ex VAT*

  • Next Day Delivery

    Next Day Delivery

    Available on 1000's of products*

  • Weekend Delivery

    Weekend Delivery

    Available at extra charge to UK Mainland*

  • Easy Returns

    Easy Returns

    Warranty and Returns Contact:


Pump Sales Direct (PSD) offers a free standard delivery service (2-3 working days) to mainland UK*. The free standard delivery service relates to all pumps on our website and also individually purchased spares or accessories over the value of £50 (before VAT). Individual spares or accessories purchased under £50 will incur a £6.95 delivery charge.

PSD also offers a next day delivery service at a charge of £12.50*, provided we receive your order before 3:30pm Monday to Friday (excludes Weekends and Bank Holidays).

*Excludes UK Islands, Republic of Ireland, Northern Ireland and Scottish Highlands.

UK Delivery Charge Options:-

Standard Delivery (2-3 working days)* - FREE

Next Working Day Delivery (on orders placed before 3:30pm)* - £12.50

Next Working Day Delivery before 10.30 am (on orders placed before 3:30pm)* - £25.00

Next Working Day Delivery before 12.00pm (on orders placed before 3:30pm)* - £15.00

Saturday AM Delivery before 12.00pm*- £35.00

Scottish Highlands Standard Delivery - £25.50

UK Islands & Republic of Ireland Standard Delivery - £60.00

*Excludes UK Islands, Republic of Ireland, Northern Ireland and Scottish Highlands.

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