Harvst WaterMate Pro – Automatic Greenhouse Watering Kit
£399.99
The Harvst WaterMate Pro automatic watering system is a high power, high capacity system for large greenhouses and polytunnels up to 12’ x 18’ or 40 sqm. It can also be used for outdoor pots, veg plots and allotments.
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Harvst WaterMate Pro – Smart Automatic Watering System (Up to 40m²)
The Harvst WaterMate Pro is a powerful, UK-designed automatic watering system that brings precision irrigation to greenhouses, polytunnels, garden beds, and allotments. Ideal for gardeners who want to save time, reduce water usage, and improve plant health, the WaterMate Pro offers smart, connected watering across two separate zones, giving you full control of where and when your plants are watered.
Perfect for medium to large growing spaces (up to 40m²), this kit includes everything you need to get started.
Key Features:
- Dual-zone watering for targeted irrigation
- Smart scheduling with programmable timers
- Automatically triggers extra watering based on temperature
- Mains or solar-powered – no batteries required
- Powerful 35psi pump supports soaker/porous hose systems
- Drip-water up to 120 individual plants
- WiFi enabled for remote access & email alerts*
- Easy to install, flexible to expand
Ideal For:
- Greenhouses & polytunnels
- Raised garden beds & allotments
- Potted plants & hanging baskets
- Gardeners who travel or want peace of mind
- Anyone looking to reduce water consumption and improve plant yield
Smart Watering, Wherever You Are
Control your watering schedule via WiFi and receive alerts for high/low temperatures, watering activity, or low tank levels.* Even without internet, the system continues to run reliably on its programmed settings.
The Harvst WaterMate Pro kit includes the full set of components for two-zone irrigation across up to 40m², with the flexibility to expand as needed.
Choosing a Power Supply
Why choose solar power?
If you don’t have mains electricity in your greenhouse or polytunnel, with WaterMate you can still have powerful automatic watering. The battery is charged by a small solar panel which should be mounted outside to catch the most sun. Up to 10 minutes of watering time is possible per day in the summer (5 minutes most at one time).
Supplied with 3m of cable, extensions available.
Why choose mains power?
If you have 240v power, we recommend you use the mains version. You will be able to water for longer periods (if required … the pump can deliver plenty of water in just a couple of minutes), and won’t be limited by darker days in winter. You will be able to add more pumps/misters or even LED grow light, heated seed trays for propagation, or heater cables.
The power supply comes with 5m of mains flex.
What's in the kit?
The watering kit contains:
- Control unit (approx 190mm x 120mm x 45mm)
- Control unit mounting plate
- Solar panel or power supply
- 12 litre/min inline pump with inlet filter (for pump model)
- Air temperature sensor
- Dual electric water valves
- 6m of 13mm braided inlet hose
- 2 x 10m LDPE distribution pipe
- A selection of joints and pipe fittings
- 20m of 4mm micro irrigation pipe
- 24 pressure compensated 4 litre per hour drippers and ground stakes
- 12 x 4mm hose adapters
- 10 x 360deg sprayers covering 1m2 each
- 10 x 180deg sprayers covering 1m2 each
- 6 x 4mm water taps
- Includes both greenhouse and polytunnel fixings
- Web app for Android and iPhone
About the Manufacturer
Harvst: Our mission is to help you grow more.
For fresher food.
Grow more greens.
Grow more salad.
Grow more vegtables.
Eat fresh, all year round.
For our environment.
Fewer food miles.
Less nasty pesticides.
Less single use plastic.
It’s better to grow your own.
For you and your family.
For your health & wellbeing.
To teach your kids about growing.
To engage with nature.
Grow more, together.
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