The Cooper Pegler CP3 Knapsack Sprayer is a high quality sprayer that is used to spread various weed killers in an industrial or domestic environment.
The Cooper Pegler CP3 is a 20-litre knapsack sprayer and the larger-capacity option in the Cooper Pegler range. Its diaphragm pump system is resistant to dirty water and requires no lubrication, with brass components avoiding premature pump wear over years of use. Comes complete with a yellow hollow cone nozzle and green anvil nozzle, plus a pressure relief valve for precise application control. The CP3 has long been a market-leading knapsack sprayer for agricultural and horticultural use.
Best For
| Spraying herbicides & weed killers | Applying fungicides & insecticides |
| Larger areas & fewer refills | Horticultural & agricultural use |
Why the CP3
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CP3 or CP15?
| CP15 Compact |
CP3 Larger |
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| Capacity | 15L | 20L |
| Pump type | Diaphragm | Diaphragm |
| Max pressure | 3 bar | 3 bar |
| Brass components | ✓ | ✓ |
| Weight (empty) | 4.6kg | 5.1kg |
| Nozzles included | Cone + anvil | Cone + anvil |
| Best for | Lighter jobs, less weight to carry | Larger jobs, more capacity per fill |
What's in the Box
Common Questions
Which nozzle should I use for weed killer?
The green anvil nozzle is recommended for herbicides - it produces a wider, heavier droplet pattern that reduces drift and minimises the risk of damage to nearby plants.
Can I switch the pump lever to the other side?
Yes - the lever is adjustable and reinforced for left or right-hand operation.
Should I get the CP3 or the CP15?
Both share the same pump technology and nozzle set. The CP3's 20L tank covers more ground per fill - useful for bigger jobs. The CP15 is lighter to carry at 4.6kg empty if you're working smaller areas or prefer less weight on your back.
Specifications:
| Tank capacity | 20 litres (22-25L actual) |
| Tank material | Polypropylene / polyethylene |
| Pump type | Diaphragm, brass components |
| Max working pressure | 3 bar |
| Delivery hose length | 1140-1280mm |
| Weight (empty) | 5.1 kg |
| Weight (full) | 24.5 kg |
Here at Agridirect we have joined forces with Parcelforce to ensure all packages are delivered promptly and safely to you. We ship to all ares within mainland United Kingdom and Northern Ireland. Deliveries take place Monday to Friday excluding bank holidays. Once your order has been dispatched from our warehouse you will be notified by email. If there is a delay with your order for any reason you will be contacted immediately. Orders take 2-4 Working days to be delivered. Some products have an extended delivery time, this is noted on the individual products.
| Country | Orders Under £100 | Orders Over £100 |
| United Kingdom (Mainland Only) | £5.00 | £0.00 |
| Northern Ireland | £5.00 | £0.00 |
There may be an addition charge on certain bulky items. This charge will be clearly marked on an applicable products and will be explained on the checkout page before payment has been made.
We’re sorry your purchase didn’t work out. But don’t worry; we have a great returns policy to help you out.
All purchases can be returned to us within 14 days of delivery and returned goods must be received within 14 days from the date you informed us of the return.
Items returned during the cooling-off period must be in a resalable condition, which means:
If we discover goods have been used or there has been a loss in value of the goods due to damage to the goods or the packaging, while in your care or whilst being returned to us, we will reduce the amount refunded, which may amount to the full cost of the product, to cover loss of value of goods.
All returns should be complete which includes boxes, manuals and accessories that may have been included with the order.
All returns must be packaged appropriately for shipping, we will not accept responsibility for damages or loss which occur during shipping of a return product.
We accept no responsibility for goods damaged or lost while in transit to us.
The cost of the return, including all packaging and freight, lies solely with the consumer.
First off, if you have received a damaged electrical product from us, do not plug it in. Any electrical products that are plugged in are deemed ‘as used and accepted’ and are not accepted as returns. All damages must be reported to us via phone or email within 24hours of receipt of goods. Please ensure you check your items upon delivery.
How do I begin the returns process?
If you wish to begin the return process, please email us at sales@agridirect.co.uk and ensure the following information is included in your email. Your name, phone number, Order id, the item you wish to return, reason for return and if the product is damaged we require photos of the product.
Once you have sent us all required information a member of our team will assess your claim and will contact you as soon as possible. Please hold off on returning products until a member of our team has called you to confirm.
All returns must be accompanied with a fully filled out returns form which can be downloaded here.
All returns must be the complete product which includes boxes, manuals and accessories that may have been include with the order.
All returns must be packaged appropriately for shipping, we will not accept responsibility for damages or loss which occur during shipping of a return product.
Address: Please ship the product to the following address: Agridirect UK, C/O Parcel Club, 6 Derrintony Road, Derrylin, Co Fermanagh, BT92 9EZ
Once the returned product has been returned to us and fully inspected a refund will be issued.
Please Note: A typical timeline for a refund to show in your account is up to 10 working days from the date processed, depending on your bank.
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