SOPAREC performs the maintenance of the heating and domestic hot water installations of the buildings complex Le Gai Logis at Le Bourget. It is composed of more than one hundred and fifty apartments. The incoming water from the mains is heated by two Heat Exchangers of sufficient size for the hot water needs of the complex.
The heat exchangers, fed by the mains water from the city, are opened and cleaned every 4 months to re-establish the flow and efficiency.

BEFORE: Scale is present on the plates of the first heat exchanger AFTER being cleaned and operating for two months(summer season) without the protection of the units.

INSTALLED: Two HydroFLOW ‘C’ units, one per heat exchanger, were installed two months after their periodical maintenance cycle.

The pipe is 3-4 kilometres long, which goes from a small lake to the Jordan River.
There is a small drop of 60m. At the bottom is a power plant.
The pipe sizes span from 16” to 30”. The problem was the build-up of limescale. There was a ring of limescale 80mm thick all along the pipe.
In 1998 the power station installed a Custom Hydroflow. After one year they knew it worked as deposit of limescale stopped. Existing limescale has consistently reduced by a few millimetres each year.

In 2003 x2 26” Custom Hydroflow were installed. After two years another Custom Hydroflow was also installed. The plant is very happy with the success and with each new pipe installation, Hydroflow is also installed.
Prior to the Hydroflow, the costs for cleaning the pipe by mechanical and acid systems were 5 times that of the cost of the Hydroflow. The replacement of completely blocked pipes cost several million dollars.

The effect of limescale blocking the pipe sometimes caused flooding, as the pipe could not withstand the full water flow. With the installation Hydroflow this too is a problem of the past.

The Montclair Y.M.C.A in New Jersey, America has two swimming pools and shower facilities that require constant hot water - presenting a big challenge to the management and maintenance teams.

With such a demand on the heat exchangers, limescale build-up has been a perennial problem; not only does it increase fuel usage, but if left unchecked could result in equipment failure. The centre therefore had to regularly take them off-line to descale the heat exchangers.

However, the problem has now largely been removed due to the installation of Hydropath’s ‘Hydroflow’ water treatment system.
Due to the large diameter pipes, a Hydroflow C unit was required;
the unit is designed to prevent limescale build up in large diameter pipes in commercial installations. Because it affects the property of the water flowing through the system, it can also help remove existing deposits. 

"Heating the water caused a scale build up in the heat exchanger tubes, and there was a big loss of heat transfer due to this build up",
says Sal Maffettone the Vice President of Metric Plumbing & Heating, who has been responsible for all the centre’s major plumbing and maintenance for the past five years.

The site has previously attempted to increase the life of their appliances, and improve the efficiency of the heat exchangers and boilers using alternative methods.  They were only of marginal benefit and still required a large amount of maintenance – not to mention chemical treatments.  Management then decided to trial Hydropath’s patented water treatment technology;
"We installed the Hydroflow C60 three months ago. Before the installation, we opened the heat exchanger and saw that the tubes were scaled. We opened the heat exchanger after three months and we could not believe how clean it was inside".

The technology works by randomly inducing varying electric fields into the water, which propagate through the entire plumbing system. The result is the production of nuclei everywhere in the water system. When the water is heated, the hard water salts, which usually deposit as encrusting limescale on the surfaces, grow in suspension and are washed away in the flow. The electric field treats the water both up and down stream and is transmitted into the central heating system to
treat the primary water. The treated water is normally able to dissolve existing scale in just a few weeks.

The management now bypass the water softener and have stopped using chemical additives to let the Hydroflow unit take care of the heat exchanger.  They intend to use Hydropath technology for all the boilers and heat exchangers on this site and in other locations undertaking maintenance.

The Tudor installation was for the locker room of the employees and kitchen used at the factory.

They have around 300 baths per day. Currently they have 3 gas boilers connected to a plate heat exchanger that goes to the water deposit that goes to the locker room and prior the plate heat exchanger there is a split to the kitchen.

The C60 units were placed, one before the plate heat exchanger and the second after the water deposit to the locker room.