Ecotherm High Capacity Water Heater EHSF with internal spiral flat heating coil for water/water operation
05/04/2024
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The EHSF High Capacity Water Heater solution uses a patented spiral flat heating coil technology located inside the tank. PGTECH is the authorized representative of ECOTHERM® (Austria) in Vietnam, a world-leading brand for solutions for central hot water systems, steam systems, and solar energy for hotels, hospitals, and industrial facilities. Ecotherm impresses with its "Individual Heat Transfer Solutions" for its hot water and steam systems. Ecotherm provides turnkey solutions for hot water, steam, and solar energy systems, while also offering solutions for hotels, hospitals, and industrial applications that meet the specific requirements of each facility.

The unique design of the spiral flat heating coil, located in the lowest and coldest part of the storage tank, ensures a highly efficient heat transfer and low return temperatures. The “EHSF” water heater is used for water/water operation in e.g. sport stadiums, hotels, residential buildings and for heat recovery.
Features:
Model EHSF: High Capacity Water Heater with Spiral Flat Heating Coil (50 - 1,000 kW for water / water operation)
The ECOTHERM's new patented high-performance spiral coil has a maximum heat exchange area in the cold water zone or in the desired temperature zone due to its design and horizontal installation.
- Storage water heater made of stainless steel duplex / V4A with patented high-performance flat heating coil welded at the bottom of the tank.
- Optimal performance and layering, almost 100% storage volume available, bath pickled, low maintenance, improved hygiene, flange DN 200 (and DN100 up 500 liter) at front for cleaning purpose or for mounting an additional heat exchanger or screw-in heating element, sleeve 6/4“ for screw-in heating element in the upper third, sleeves ½“ for thermometers and temperature sensors, cold water connection at the front, hot water outlet at the center top.
- Fibre-fleece insulation of storage tank with robust outer sheath made of PP (RAL7037, dusty grey), patented aluminum closure strips and self-fixing closure caps, quick and easy installation, 80mm insulation up to 1,000 litres and 100mm above. 100% recyclable, fire protection class B2 (B1 upon request)
- Production by TÜV certified welding company according to HP-0 and ISO 3834-2, approval to SVGW and certified according to ISO 9001:2015.
- Simple installation and short mounting time due to pre-assembled units.
- Maximum pressure/testing pressure: secondary 6/9bar; primary 3/6bar

About ECOTHERM's patented spiral flat coil
The patented spiral heating coil is mounted horizontally at the bottom of the storage tank. It is 100% in the cold water zone, respectively only in one temperature zone. The installation directly above the tank bottom and the low height (13cm) allow an almost complete heating of the storage tank.
- The special construction of the register ensures
- High standby volume (97% of the tank capacity)
- Hygienic water
- High efficiency due to efficient heat transfer
- Optimized heat layering
- Primary energy savings
- 97% Standby volume
- 3% Mixing water area and “dead” volume
Comparing the efficiency of Ecotherm's flat coil heating tanks and conventional spiral coil tanks
Contact Us
The ECOTHERM high-capacity water heater is the result of more than 20 years of research and development. All components of these high-quality products are made from high-quality stainless steel. Each system is custom-designed to meet the customer's needs, corresponding to the specific project. ECOTHERM's engineers use their proprietary design software to design and optimize the system for maximum efficiency, minimal floor space requirements, and maximum savings on energy and maintenance costs. Please contact PGTECH directly for specific advice on solutions that fit your needs.
PGTECH GROUP LIMITED – Authorized Distributor of HVAC System Products in Vietnam and Regional Markets
News Editorial Board: PGTECH
Engineer: Manh Thang
PGTECH GROUP LIMITED
Business Office: 3rd Floor, Bac Ha Building C14-CT1, To Huu Street, Dai Mo Ward, Hanoi City, Vietnam
Address: No. 12, Lane 28, Tay Ho Street, Tay Ho Ward, Hanoi City, Vietnam
Phone: +84-24-7302 3588/ Fax: +84-24-7302 3589
Hotline: 0962 875 986 /0962 160 126
E-mail: info@pgtech.com.vn / sales@pgtech.com.vn
Website: www.pgtech.com.vn

