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Speedmatic is an advanced, energy saving, variable speed inverter drive system specifically designed for electric water pumps. Speedmatic consists of a built in pressure sensor, a flow sensor and an inverter all in one unit. The box is compact, easy to install and has integrated intelligent software allowing an easy and intuitive configuration through a multifunction LCD screen.
Speedmatic can work with single or multistage centrifugal pumps and can be retro-fitted to existing systems. Speedmatic uses a built-in inverter to control the speed of the pumps electric motor, maintaining a constant pressure in the system as demand fluctuates. This gives considerable energy savings over conventional systems and greatly extends pump life due to reduced mechanical stress.
Your benefits
►Constant pressure regardless of flow
►Adjustable pressure
►Dry run protection
►Automatic re-start after dry-run shutdown
►Run three phase pumps off a single phase supply
►No remote pressure switch required
►No separate control panel required
►No water hammer
►Energy saving
►Extended pump life
►Easy installation & configuration
The speedbox is a wall mounted option which is air-cooled rather than water-cooled. 
Click the Video Tab to see How To Set Up Your Speedmatic
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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 Power SKU Price ex-VAT Qty
SPEEDMATIC STANDARD 1165 230V 1~in - 230V 1~ Or 230V 3~ out Max 6A 4439-010 £325.00
SPEEDMATIC MASTER 1110 230V 1~in - 230V 1~ Or 230V 3~ out Max 10A 4439-011 £349.00
SPEEDMATIC MASTER 1309 400V 3~ in - 400V 3~out Max 9A 4439-018 £495.00
SPEEDMATIC MASTER 1307 - High Flow 400V 3~ in - 400V 3~out Max 7A 4439-016 £795.00
SPEEDMATIC MASTER 1314 - High Flow 400V 3~ in - 400V 3~out Max 14A 4439-017 £995.00
SPEEDBOX 1112 MM 230V 1~ in - 230V 1~out Max 12A 4439-019 £375.00
SPEEDBOX 1010 MT 230V 1~in - 230V 1~ Or 230V 3~ out Max 10A 4439-020 £375.00
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Whisper Pumps Ltd, Leen Court, Boughton, Newark, Nottinghamshire, NG22 9ZD