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Onematic is a compact driver for a single pump (single-phase or three-phase) with 2 options of operation: pressure dependent mode or On-Off (pressure & flow dependant mode).

Onematic pump controller manages the start and stop of the pump depending on the detected pressure by its internal transducer and the flow detected by the flow sensor. It can also work in pressure-dependant mode (start pressure and stop pressure) or on/off mode (start pressure between 1 - 5 bar).

►Auto stop/start
►Dry run protection with automatic re-set
►Adjustable start/stop pressure 
►LCD screen
►Warning LED lights
►Push-buttons (start, stop, automatic)
►No water hammer 
►Simple installation
►Max fluid temperature 40ºC
►Protection IP55

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Delivery Costs

Delivery Map


Zone 1 England, Wales & Southern Scotland Under £100 Over £100
Standard 2/3 working days


Express Next working day


Premium Next working day (before 13.00)


Zone 2 Scottish Highlands & Islands, Northern Ireland, Isle of Man, Scilly & Channel Isles Under £100 Over £100
Standard 2/3 working days


Zone 3 Republic of Ireland Under £100 Over £100
Standard 3/5 working days




Orders must be placed before 14.00 for next day and premium next day delivery. 


Exporting Internationally

We offer a first class worldwide export service. Please contact us here for a price.
Model Voltage Current Inlet Outlet Max. Flow SKU Price ex-VAT Qty
ONEMATIC CONTROL 230/400V 10A 1 1/4" 1 1/4" 250 l/min 4439-003 £197.60
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Whisper Pumps Ltd, Leen Court, Boughton, Newark, Nottinghamshire, NG22 9ZD