The outdoor rain siphon
The Syfi patent is an outdoor rain siphon that, by preventing gases from rising, prevents downspouts and gutters corrosion and bad odors formation.
Advantages
SIFY: THE RAIN SIPHON
Syfi is part of technical sector related to rainwater collection systems used in construction.
The purpose of this patent is to propose a siphon device for rain pipe that allows to avoid usually adopted standard underground wells installation method, while performing with equal effectiveness the functions of barrier against bad odors rise.
Syfi can be installed along the rain pipe, respecting the safety requirements, urban, aesthetic and functional constraints of the installation site*.
Syfi is easily inspectable for maintenance and cleaning. Furthermore, it also provides a hole that allows rainwater automatic drainage, in case of accumulation of debris inside.
* No responsibility‡ is assumed with respect to the choice of installation point and height, which must comply with the constraints and regulations in force at the place, as well as safety logic for people, animals and material goods.
OPERATION AND DATA SHEETPATENT
Syfi is a patented product registered with the office of the European union for intellectual property.
The Syfi patent is an outdoor rain siphon that, by preventing gases from rising, prevents downspouts and gutters corrosion and bad odors formation.
SYFI AND ITS ADVANTAGES
Protects downspouts and gutters by preventing gases from rising. Eliminates bad odors and prevents leaves and deposit material descent from gutters.
Installation in 30min w/o masonry and w/o any excavation.
Minimum overall dimensions
Color of your choice available on order
Heavy-duty stainless steel
FREQUENTLY ASKED QUESTIONS
Protects downspouts and gutters by preventing gases from rising
Syfi prevents gases from rising from ground along downspouts, thus preventing downspouts and gutters corrosion and eliminating the problem of bad odors.
In 30 minutes. W/o masonry and w/o any excavation.
Syfi can be installed along the rain pipe, respecting the safety requirements, urban, aesthetic and functional constraints of the installation.
Syfi takes advantage of the siphon principle, in which a barrier water basin prevents odorous and corrosive gases rise from collection channels below. It is easily inspectable for maintenance and cleaning.
Furthermore, it also provides a hole that allows rainwater automatic drainage, in case of accumulation of debris inside.
PHOTO GALLERY
The use of Syfi protects against structural risks related to possible liquid infiltration from underground wells to buildings foundations.
News
Syfi: the simple and innovative solution to protect downpipes and gutters and eliminate bad odors
April 26, 2025
When it comes to building maintenance, downpipes and gutters are often overlooked. However, their proper preserv ...
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BEFORE AND AFTER THAT, THERE’S NO COMPARISON
May 12, 2020
No explanation is necessary. It is sufficient to observe the two images, BEFORE AND AFTER. First a plastic siphon, then, of course, ...
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STOP INFILTRATIONS
October 03, 2019
The autumn brings rain: it is not uncommon for buildings to suffer from water seepage problems during this season. If water fails to ...
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It solves the problem of bad odors by avoiding complex masonry works. Intuitive assembly and complete installation of the device in 30 minutes. Painted stainless steel.
Download:
Syfi Catalogue Functionality validation
Contact
Syfi is a patent by Contavalli Francesco