Conventional Heating Technology


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The Medium Duty Electric Models

These water heaters have the following features:

  • • The fully automatic controls work as a fast acting surface mounted thermostat for automatic temperature control. They have factory-fitted sensitive manual rest power cut-off as a safety measure to avoid overheating (the maximum temperature setting for the thermostat is 185°F
  • • The three Immersed Incology Elements facilitate direct and more efficient heat transfer to the water.
  • • Screw-in style element
  • • The Factory Installed Hydrojet® Total Performance System has a Cold water inlet sediment reduction device minimizes sediment deposits in the tank
  • • These heaters increase the first hour delivery of hot water alongside managing minimum temperature build up at the top of tank
  • The Bradford White water heater tanks feature a protective Vitraglas® Lining which protects them from the corrosive effects of hot water due to an exclusive ceramic porcelain like coating. This high silica lining gives a rugged interior surface to the Bradford White hot water tanks.
  • • There is a 2" Non-CFC Foam Insulation – Covers the side and top of the heater tank, cutting down the heat loss. This leads to reduced energy consumption, superior operation efficiency and jacket rigidity
  • • The heaters have 11/4” NPT factor fitted true dielectric fittings for water connections that extend the life of the water heaters and makes installation easier
  • • The heaters are design certified by UL for field conversion. The Conversion kits can convert any model to a range of voltages, kW inputs and wire phase (there are kit part numbers on reverse side)
  • • The protective Magnesium Anode Rod offers enhanced protection against corrosion for a long-term trouble-free service
  • • The steel tank is forged from heavy gauge steel and is automatically forged, rolled and welded
  • • T&P Relief Valve—Supplied. 
  • • Brass Drain Valve.

Features Of The Heizer ATV Series:

  • Our Heizer ATV series buffer vessels brings to the designers and end-users the supreme quality of glass lined cylinders (890°C), which are primarily used for storing domestic hot water (DHW)
  • All the models feature inspection flange
  • Models up to 1000 liters come with a Thermometer
  • Models up to 1000 liters are equipped with a safety valve
  • Models up to 500 liters have adjustable support feet
  • There are multiple immersion heaters, 6 kW x 3 Nos, that come along with a working and safety thermostat
  • There is insulation in the form of rigid polyurethane or flexible polyurethane, which is encased with a removable external PVC jacket
  • The cylinders can withstand a maximum performance pressure of 10 bar whereas the maximum storage temperature is 95 degrees C.


STELT condensing boiler, made from AISI 316 Ti stainless steel with reverse flame combustion chamber able to produce hot water at a maximum temperature of 110 °C. Connected to pressure jet burners operating on gaseous fuels. Some of the product's main features are related below:

inclined boiler body for condensate drainage support

large cylindrical combustion chamber with reversed flame manufactured from AISI 316 Ti stainless steel, TIG pulse welded, able to withstand acid condensate attack.

stainless steel gas passages with special profiles, placed around the combustion chamber in order to extend flue gas development and consequently increase heat exchange and increase boiler efficiency (obtaining low NOx emissions in conjunction with Low NOx burners)

heat exchange surfaces made from AISI 316 Ti stainless steel, welded with TIG method, consisting of stainless plates characterized by a particular corrugated shape being able to increase heat exchange surface, and facilitate droplet condensate formation allowing adequate drainage.

welded using TIG, MIG and plasma procedures, methods that guarantee stainless steel main mechanical characteristics, without sacrificing corrosion resistance to acid condensation.

flanged flow connection and two system return connections for boiler differential input and ensuring minimum possible temperature to take advantage of condensing benefits even in case of medium-high temperature returns.

flue gas chamber able to collect resultant condensate and discharge it through a water trap connected to a neutralizer (where provided) to the waste water drainage system.

burner mounting plate, for attaching pressure jet burners for gaseous fuels use.

heat dispersion surface insulation with thick glass wool mattress, protected with steel varnished panels that can be easily removed

front door with reversible steel sheet opening thermally insulated with ceramic fiber.

Standard equipment:

complete insulating casing

  • Ancillaries Code
  • Acid condensate Neutralizer system
  • Neutralizer 81020001
  • Neutralizer with pump 81020002
  • Control panels
  • Thermostatic control panel QCOND01ELMCE
  • Features can be seen in “Thermostatic control panels section”
  • Control panels
  • Thermostatic control panel QCOND01ELMCE
  • Features can be seen in “Thermostatic control panels section”
  • Boiler management
  • control panel QETERM01RU2*
  • System management
  • control panel
  • QETERM02
  • For characteristics and other ancillaries see “ system” section
  • This code refers to markets of: Russia, Belarus, Ukraine, Georgia and Kazakhstan
  • Product CE marked according to the European
  • Directives in force:
  • Control panels
  • Thermostatic control panel QACCBT01ELMCE
  • Features can be seen in “Thermostatic control panels section”


WALL condensing boiler, with both European and Italian Patent designed by ICI Caldaie for high power in contained spaces.

Particular boiler geometry together with large heat exchange surfaces allow considerable flue gas temperature reduction resulting in 109% efficiency achievement (referring to PCI and Temp. Delivery/Return 50/30 °C). Latest concept burner, 20% to 100% Nominal Power pre-mix flame modulation. Reduced environmental impact achieved by under 10 ppm NOx emissions.

Some of the product’s main features are related below:

  • large Combustion Chamber, single pass flame with dry and low thermal load reversal chamber
  • crossed groove, W stainless steel, high efficiency flue gas duct
  • reverse double slope structure for condensate integral recovery, high and low temperature double return.
  • parts in contact with combustion products - combustion chamber and gas plates - are entirely made out of AISI 316 Ti titanium stabilized stainless steel.- cascade operation in advance setup with 125 kW and 150 kW modules having a maximum of 4 boilers, reaching a maximum power of 600 kW reached using condensing operation.
  • modulating gas burners with total gas pre-mix, heat radiating cylindrical body, low NOx emission (below 10 ppm)
  • 20 to 100% maximum power adjustment.
  • 109% COP (coefficient of performance), 50/30°C boiler water temperature
  • each module is equipped with a digital control panel for burner modulation management and climatic compensation for fluctuating temperature.
  • AISI 316 L STAINLESS STEEL external casing, internally insulated with high density, thick mineral wool mattress.
  • IPX4D protection.
  • Ancillaries Code
  • Acid condensate Neutralizer system
  • Neutralizer 81020001
  • Neutralizer with pump 81020002
  • System management control panel QETERM02
  • For characteristics and other ancillaries see “ system” section
  • WALL model to be assemled
  • WALL M model supplied assembled on its base
Standard equipment:
  • flow Manifold, high-low temperature dual return
  • INAIL security devices
  • combustion gas collector
  • gas collector
  • cascade climatic regulator
  • operational with methane and GPL
  • flow Manifold probe (in presence of 2 or more modules)
  • control panel equipped with:
  • main switch
  • manual or Automatic burner operation switch
  • manual or Automatic burner operation switch
  • control thermostat
  • safety thermostat
  • thermometer
  • microprocessor board
  • boiler probe
  • external probe (only for master control panel)
  • GSM modem
  • Product CE marked according to the European
  • Directives in force:
  • 92/42/CE - Efficiency (applicable up to 400 kW)
  • 2009/142/CE - Gas
  • 2014/30/UE - Electromagnetic Compatibility
  • 2014/35/UE - Low Voltage