info@horsfield.co.uk 
01772 654402 
Siphonic Drainage
Our in-house design and engineering capabilities:
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Air Conditioning
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Heating
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Plumbing
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Renewable Systems
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Ventilation
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Commercial Kitchens
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Siphonic Drainage
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Refrigeration
Siphonic Rainwater
Siphonic rainwater systems work by collecting the water from the roof of your industrial or commercial property. We install the Terrain Hydromax™ system, which uses powerful hydraulic force to suck the water from the roof resulting in better flow rates than a gravity-based system.
HOW DO TRADITIONAL RAINWATER SYSTEMS WORK?
Traditional gravity systems drain using pipes that collect the water as it runs off the roof. They’re very inefficient because the space in the pipes is taken up not just by water, but also by air. Extensive Large bore downpipes are needed to ensure that all of the water is taken from the roof, and extensive underground pipework systems are required to connect to the down pipes for the removal of the top water.
HOW IS A SIPHONIC RAINWATER SYSTEM DIFFERENT?
The Terrain Hydromax™ system prevents the ingress of air, transporting water in fewer pipes that have smaller diameters than those needed within a gravity-based system. The syphonic rainwater system is not only more efficient, but more convenient as it’s smaller and easier to install in a wider variety of spaces.
In addition to all of its other benefits, the siphonic rainwater system drains rapidly when rainfall ceases and is even self-cleaning; its design also prevents blockages from leaves, twigs and other debris. The siphonic system has fewer downpipes than a traditional system with the consequent saving of expensive underground pipework systems.
EXAMPLES OF SIPHONIC RAINWATER SYSTEMS
WHAT CAN HORSFIELD DO FOR YOU?
Our engineers can design and install your Terrain Hydromax™ system, from initial design drawings to the finished product, with excellent and crystal clear pricing so that there are no nasty surprises.
We’ll calculate the required water volumes and will select the right equipment for the job, maximising the efficiency of your siphonic water system, and will carefully plan the locations of roof outlets to make the system work to its full potential.We’ll be there every step of the way to oversee the installation, commission and testing of your Terrain Hydromax™ system, so that you can be confident from the word ‘go’
Services
OUR
RESPONSIBILITY
All aspects of our work
are responsibly managed.
We ensure that health and
safety regulations are met,
and we are working hard
to do our best for the
environment.