The 16L Knapsack Sprayer is a high-capacity, back-mounted solution designed for efficient spraying over larger garden, agricultural or landscaping areas. Built for comfort and consistent performance, it is ideal for applying water, fertilisers, herbicides and pesticides with ease.
With its generous 16-litre tank, this sprayer reduces the need for frequent refilling, making it perfect for extended use. The manual pump system delivers steady pressure for an even spray pattern, while the adjustable lance and nozzle allow you to switch between fine mist and targeted jet applications depending on the job.
Designed for user comfort, the ergonomic backpack style with adjustable shoulder straps distributes weight evenly, reducing strain during prolonged use. Durable construction ensures it can withstand regular outdoor use, while the easy-fill opening and secure seals help prevent leaks.
Suitable for gardens, farms and general outdoor maintenance, this knapsack sprayer is a reliable and efficient choice for larger-scale spraying tasks.
Key Features:
16-litre capacity for large area coverage
Backpack design for hands-free operation
Manual pump system for consistent pressure
Adjustable nozzle for mist or jet spray
Suitable for fertilisers, herbicides and pesticides
Ergonomic shoulder straps for comfort during use
Durable construction for regular outdoor applications
Easy-fill tank with secure sealing
TJ’s Tip:
For more even coverage, maintain a steady walking pace and consistent pumping rhythm—this helps keep pressure stable and ensures a uniform spray across your working area.
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
