Pump technology
for pumping rainwater
Rainwater pumps reliably transport purified rainwater to the points of use - in the garden, house or business. Depending on requirements, they are installed as a submersible pressure pump directly in the cistern or as a self-priming pump in the building.
Automatic operation is ensured by an energy-saving pressure and flow-controlled automatic switch, while the water is drawn from the cistern via a floating suction filter. Float switches monitor the fill level, protect the pump from running dry and control the top-up with tap water if required.
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Rainwater pumps
Automatic switches for pumps
Intake filter
Float switch
Why pump technology
for rainwater utilisation?
Efficient pump technology is at the heart of every modern rainwater utilisation system. It ensures that the collected rainwater is reliably channelled to where it is needed - whether for watering the garden, supplying the washing machine and toilet or for commercial applications.
The pump takes on the central task of pumping the stored water and transporting it to the respective extraction points at the appropriate pressure. The stored rainwater can only be utilised efficiently with powerful and optimally coordinated pump technology.
Regardless of whether it is a simple garden solution or an extensive domestic and commercial system: Sophisticated pump technology not only ensures convenience and performance, but also contributes to the sustainable use of resources - day after day.
Components of the
pump technology
The quality of the pump technology plays a key role in determining whether your rainwater system works reliably and remains efficient in the long term. The correct use of garden pump accessories ensures that rainwater is reliably pumped when required - whether for watering the garden, supplying the house or for commercial use.
Below you will find the most important subsections of pump technology for rainwater utilisation: control and automation, suction filters, the pumps themselves and information on delivery head and flow rate. They all help to ensure that the system is optimally harmonised and functions reliably - regardless of whether you are operating garden pumps or a comprehensive rainwater harvesting system.
Control and
automation
Today, modern pump technology involves much more than just pumping water. Automatic control systems and float switches monitor and control the entire operation - from automatic start and stop to monitoring the water level in the cistern.
Energy-efficient automatic switches ensure that the pump only operates when water is actually required. This saves energy, extends the service life of the system and increases operational reliability. Even during longer dry periods, the control unit remains reliably active and protects the pump from running dry.
Various systems are available for installation - from simple pressure switches to complex control units, which you can find in a separate category for rainwater units. Suitable accessories for pumps allow flexible customisation to the individual area of application.
Suction filter
for clean water and reliable pumping
The suction filter plays a central role within the pump technology to ensure that the pump works smoothly and a constant water quality is guaranteed. It prevents dirt particles or deposits from entering the system and thus protects the entire system when drawing water from the cistern.
WISY suction filters are made of high-quality, corrosion-resistant materials and are available for different requirements - from simple garden solutions to demanding domestic or commercial applications. They ensure that the pump works reliably and efficiently when watering the garden.
Thanks to its floating position in the cistern, the water is always extracted just below the surface, where it is clearest. This keeps sediment at the bottom undisturbed and protects the pump from unnecessary wear - for a long service life and consistent performance.
Water extraction
Suction or submersible pump - which is the right one?
The water extraction system is the centrepiece of any pump technology, as it determines how efficiently the rainwater can be pumped out of the cistern. A basic distinction is made between two systems: Suction pumps, which draw the water from the cistern, and submersible pumps, which are installed directly in the tank and push the water directly from there to the points of use.
Suction pumps are particularly suitable if the pump is to be installed in a dry, easily accessible location - for example in the utility room or garage. They are easy to maintain and are ideal for short delivery distances. Submersible pumps, on the other hand, operate almost silently as they are completely submerged in the water and impress with their compact design and high delivery rate.
The most suitable solution depends on the installation situation, the delivery head and the individual requirements. Both variants are designed to transport the collected rainwater reliably and efficiently with the pump - whether for garden irrigation or household use.
Delivery head &
volume flow
The performance of a pump is essentially determined by the delivery head and the flow rate. Both values indicate how much pressure the pump can build up and how much water it can transport. To ensure that the system works optimally, these parameters should be carefully matched to the respective application - for example, the length of the pipes, the number of tapping points and the desired water pressure.
If you want to use a pump to transport water from greater depths or over longer distances, a sufficiently high delivery head (equivalent to sufficient pressure) should be taken into account. This is particularly important when pumping groundwater or operating a widely branched irrigation system.
The flow rate in turn describes how much water is transported within a certain period of time. An even, constant flow is crucial for the pump in garden irrigation in order to reliably supply lawn sprinklers, irrigation systems or taps. This results in an efficient interplay of performance, range and water consumption.
Areas of application for pump technology
in the garden, home and industry
Modern pump technology covers a wide range of applications - from simple garden irrigation to modern domestic supply and commercial systems.
Garden:
For lawns, flower beds and irrigation systems, a suitable pump for garden irrigation ensures constant pressure and an even volume flow - whether with a hose, sprinkler or drip irrigation.
House:
In combined systems, the pump technology supplies applications such as toilet flushing and washing machines with rainwater. Automatic control systems ensure operation and switch to drinking water when required without connecting the networks (in accordance with current requirements). You will find suitable solutions for this in the rainwater systems category.
Trade:
In workshops, factories and on larger areas, more powerful systems enable water to be drawn from the cistern even with several extraction points and long pipe runs, such as with our Maxima rainwater unit.
Selection criteria and tips
for the right rainwater pump
The choice of the right pump depends on several factors - from the required flow rate to the installation situation and the planned use. Well-coordinated pump technology ensures that the rainwater reliably reaches where it is needed.
Above all, the decisive factor is how far and how high the water is to be pumped. The greater the distance between the cistern and the extraction point or the higher the delivery head, the more powerful the pump must be. The desired quantity of water per minute - the so-called volume flow - also plays an important role.
The type of use is also decisive: a compact, energy-efficient solution is usually sufficient for pure garden applications, while systems with a larger capacity and automatic control are required for domestic and commercial installations. If you are unsure, you should seek advice before making a purchase - this way you can quickly find the pump that perfectly matches your individual requirements.
Water supply
secure
A reliable water supply requires more than just the right pump - it is created by the perfect interaction of all system components. High-quality technology, robust materials and suitable accessories ensure that your system works safely and efficiently in the long term.
To ensure that rainwater is available at all times, precise control and the right equipment are essential. From the pump to the connection pipes, from the electronics to the tapping point: every detail contributes to ensuring that the water from the cistern is reliably pumped and distributed.
For a stable and durable system, WISY offers a comprehensive range of pump accessories - from pressure and control units from pressure and control units to connection sets, non-return valves and installation materials. All components are precisely matched to each other so that your rainwater system works efficiently over the long term.
"So your water supply in your home, garden or business remains safe and convenient - day after day, year after year."
Pump technology now
discover
Discover the versatile world of pump technology from WISY - from compact garden solutions to powerful systems for homes and businesses. All components are optimally matched to each other to utilise rainwater efficiently and ensure a reliable water supply. If you have any questions or need support, we are here for you!