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Pressure Sprayer

Knapsack Pressure Sprayer (18 Litre)

In stock
RRP: 44.99
Price: 33.50
You save: €11.49 (26%)
Bulk Discounts
Quantity 3+
Price 29.50

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Knapsack Pressure Sprayer - Description

  • Professional Knapsack Pressure Sprayer
  • Material: Plastic & Metal
  • Volume: 18 Litres
  • Colour: Blue, Yellow & Black
  • Comes with Backpack Straps
  • Dimensions (HxWxD): 55x40x14cm
  • Brand: Calypso
  • Packaging: Cardboard Box

Knapsack Pressure Sprayer - Uses

This high quality knapsack sprayer would suit gardeners, farmers or maintenance workers. It is ideal for:

  • Spraying weed killer on paths and along borders
  • Spraying copper sulphate mixture for blight control on potatoes
  • Doing spot spraying of weeds on a lawn
  • Doing spraying close to sensitive plants where accuracy is essential

Knapsack Pressure Sprayer - Advantages

  • This is the most popular size of knapsack sprayer - giving the best balance between weight and capacity
  • This is a good quality sprayer that works well and has good control
  • It is possible to build up and maintain a constant pressure as you work
  • It has a smooth pumping action
  • It comes with comfortable & easy to attach backpack straps
  • It is reasonably compact - easy to use, transport and store
  • It is easy to disassemble and clean
  • It comes at a competitive price
  • Assembly is simple - takes less than a minute

Knapsack Sprayer - Operating Instructions

  • Fill the knapsack tank to the required level
  • Screw cap down until it is firmly closed
  • Pump the operating arm until you can feel the pressure
  • Lift the knapsack sprayer onto your back
  • Engage by pressing lever
  • Engage trigger lock for continuous spraying
  • Continue to intermittently pump the operating arm to maintain pressure

Knapack Sprayer & Chemicals - Safety Warning

  • Do not mix more chemical than you can use at one time
  • Always follow directions given on the label
  • Wear safety clothing such as googles, respitory mask & gloves as required
  • Check the nozzle frequently for blockages
  • After use always wash out well  
  • Do not spray on wet or windy days


Click here to leave review
Excellent service, arrived next day. Product is exactly as described.
Item arrived less then 24 hours after placing order !
Not tried Sprayer yet as, surprisingly, its raining !!!
Great Customer Service and speed of Delivery !
Hi I buy the Knapsack Sprayer fairly regularly for spraying Shuttering Oil. They do the job and the price is right. All good.

Here at we aim to provide a fast, reliable & low cost delivery service

Shipping Options & Rates

  • Standard Courier Delivery (Within 3 Working Days)
    • Cost is €4.95 on Orders Below €50
    • Free Delivery on Orders Above €50
  • Express Courier Delivery
    • Cost is €2.50 extra for express delivery. This service guarantees that any order placed before 4.30pm will ship from our depot the same day on the next day delivery service *
  • 'Seed' Postal Delivery Option ***
    • Cost is €2 - Packet of Seeds ONLY Orders
    • Note: Does Not Apply to Seed Potatoes, Bulbs or Sets ***
  • Great Britain
    • Cost is €10
  • Western Europe
    • Note: There is no free delivery for Western Europe Deliveries

Bulk Bags & Large Item Pallet Deliveries

  • Bulk bags & large item orders are shipped via pallet couriers on a rigid lorry
  • If road access to your site is tight, then please advise us before purchasing
  • To avail of our next working day delivery service, orders must be placed before 1pm
  • Unfortunately, we can not guarantee next day delivery to some more remote regions of Ireland
  • It's always best to order well in advance to avoid disappointment
  • Cancellation of pallets when items are already in transit will incur a 40 euro per pallet cancellation fee (To cover return delivery costs)

International Delivery Prices & Times

  • Please note max weights below, heavier orders may require additional payment
  • We will contact you to discuss, if max weight of order exceeded


  • The shipping fee is fixed for an order, regardless of the number of items bought
  • All courier orders require signed proof of delivery & the customer must be contactable by phone
  • We do not offer a weekend delivery service (Mon-Fri Only excl. Bank Holidays)
  • * Our courier achieves a 98% success rate on next day deliveries
  • ** Seed postal option applies to seed ONLY orders & is available in all 32 counties
  • *** Does not apply to seed potatoes, bulbs or sets
Orders over €50, get
Get Free Delivery free delivery