SmartGro High-Pressure Pump – Submersible Irrigation Pump
SmartGro High-Pressure Pump – Submersible Irrigation Pump
£0.02 per litre · 3500 L/h
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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Description
A submersible pump that drives drip irrigation from a tank or water butt
The SmartGro High-Pressure Pump is a submersible irrigation pump from Global Air Supplies' SmartGro range, built to push water and nutrient solution through a drip system with steady pressure. It comes in two sizes – 3500 litres per hour for smaller set-ups and 7000 litres per hour for large ones – and both are the pumps SmartGro supply with their T.O.P Spin Dripper irrigation kits.
The pump sits on the floor of the reservoir, water butt or bucket and draws water up from just above the base, so it keeps running until the container is almost empty. That shallow clearance means less nutrient left stranded in the bottom of the tank than with many submersible pumps. A built-in thermal protector switches it off if the motor starts to overheat, and it has been tested for use in both fresh and salt water.
Key Benefits
- Two flow rates – 3500 L/h or 7000 L/h to suit the size of the system
- Empties the tank further – the low intake runs until the container is almost dry, wasting less solution
- Thermal overload protection – cuts out before the motor overheats
- Fresh or salt water – tested in both
- Made for drip irrigation – the pump SmartGro use in their T.O.P Spin Dripper kits
How to Use
- Stand the pump upright on the base of the reservoir or water butt
- Connect the outlet to the supply line of your irrigation system – the 7000 L/h comes with a jubilee clip, the 3500 L/h with its fittings attached
- Keep the pump covered – the thermal protector stops it if it overheats, so do not leave it running in an empty tank
- Run it from a timer to set the length and frequency of each feed
Technical Specifications
- Flow rate (L/h): 3,500 / 7,000
- Type: submersible high-pressure irrigation pump
- Flow rate: 3500 L/h or 7000 L/h (maximum)
- Water: fresh or salt water
- Protection: built-in thermal protector (switches off on overheating)
- Intake: low clearance from the container base - pumps until almost dry
- Supplied with: 3500 L/h: fittings attached; 7000 L/h: jubilee clip
- Compatible with: SmartGro T.O.P Spin Dripper irrigation systems
Frequently Asked Questions
Which size do I need?
The 3500 L/h suits smaller systems; the 7000 L/h is the pump SmartGro supply with their larger T.O.P Spin Dripper kits for big set-ups. Choose by the size of the irrigation system it has to supply.
Can it be used in salt water?
Yes. SmartGro have tested both pumps in salt and fresh water.
How low will it empty the tank?
It sits on the base of the container and keeps pumping until the container is almost dry, because its intake sits closer to the base than on many submersible pumps.
Works Well With

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.

