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Phase 1, Ahmedabad, Gujarat
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Riello Industrial Hot Water Generators

Pioneers in the industry, we offer domus series hot water generators, rtq series hot water generators, riello 3300 series hot water generators and tregi series hot water generators from India.

Domus Series Hot Water Generators

Domus Series Hot Water Generators
  • Domus Series Hot Water Generators
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Product Details:

Heat Losses Through Flue Gas(burner lock-out) 0.36%, 100 % load 7%
Heat Losses Through Insulation1.29% burner lock-out, 100 % load 2.77%
Flue Gas Temperature~110 Degree C
Index of ProtectionIP XOD (40)
Output24 kW
Input26.6 kW
Boiler Capacity9 L
Boiler Maximum Working Pressure3 bar
Power Input15 W
Net Weight100 kg
Maximum Flow Temperature100 Degree C
Frequency50 Hz
Voltage230 V
Efficiency at Max Output90.23%
BrandRiello
Efficiency(At 30% Load) 87.8%
Model Number/NameDomus Series

High efficiency cast iron boilers designed for central heating, with low running costs and reduced emissions. Available in a natural open flue version and room sealed version. The open flue version is supplied with a brand new high performance combustion unit. Automatic ignition system supplied with atmospheric burner. LPG conversion kit supplied as standard.

Product Advantages:
  • Innovative stylish design, for installation even in domestic rooms like kitchens, washrooms and utility rooms.  New, stylish, and user friendly control panel.
  • Optional Riello Esatto digital temperature control system to be fitted on the control panel with pressure gauge.
  • Multi-zone central heating kit (up to a maximum of three zones) available as optional.
  • Boilers can be connected to a Riello ATRB 120 DHW calorifier (or equivalent) and to a temperature control system using the relevant kits.

Installation/Maintenance Advantages:
  • Easy inspection of the flue and of the air box in room sealed versions.
  • In room sealed versions, the air box is fitted with combustion control sockets as standard.
  • Front access to the control panel with removable electrical terminal block.
  • Index of protection of control panel IP X0D (IP 40).

Specifications:

HWG details
Domus 31 INDomus 31 ISCNDomus KL/60 31 ICN
FuelNG / LPG
Output CapacitykW3131.731

26660 kcal/h 27262 26660
Efficiency%90.1290.990.12
Max. flow temp.°C100
Water holding capacityLtr.10.618.511.7
Max. working pressurebar33.53
Tank capacityLtr.NA12060
Coil water capacityLtr.NA5.56.6
Max. working pressure for TankbarNA77
Boiler weight with casingkg118210163
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  • Item Code: DOMUS24IN
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RTQ Series Hot Water Generators

RTQ Series Hot Water Generators
  • RTQ Series Hot Water Generators
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Product Details:

Maximum Input115 kW
Minimum Output75 kW
Efficiency at Minimum Output92.6%
Heat Losses Through Flue Gas0.1% (burner lock-out), 100 % load 8%
Combustion Chamber Volume96.8 dm3
Minimum Water Return temperature55 Degree C
Minimum Input81 kW
Heat Losses Through Insulation0.4%
Maximum Output105.3 kW
Water Capacity109 L
Flue Gas Mass Flow Rate0.05 kg/s
Furnace Resistance1.1 mbar
Maximum Working Pressure5 Bar
Maximum Working Temperature87 Degree C
Casing Weight18 kg
Efficiency at Maximum Output91.6%
Volumetric Thermal Load1188 kW/m3
Maximum Flow Temperature100 Degree C
Weight215 kg
Flue Gas Volume126 dm3
BrandRiello
Efficiency93.4 % (At 30% Load)
Model Number/NameRTQ Series

Floor Standing Reverse flame boiler manufactured from carbon steel. Designed with wet back horizontal furnace, these boilers can be fired (on oil or gas) with pressure jet burners. Fitted with removable stainless steel turbulators to increase fuel gas to water heat transfer and to distribute the thermal load.Double hinged front door with ceramic insulation and double ceramic rope seal. Casing constructed from sheet steel finished in power coating. The range includes capacity up to 2 Mkcal/h.Control panels available as optional.

Product Advantages:
  • High efficiency (>90%) with low operating costs.
  • All parts supplied for easy installation.
  • Low noise emissions.
  • Temperature modulation function  (minimum  return  temperature 55 Degree C). 
  • Combination available with
  • Domestic hot water storage cylinders.

Installation/Maintenance Advantages:
  • Easy to transport: boilers are supplied in two separate packages (one for the body, one for the casing).
  • Easy maintenance: the door opens to provide front-on access to the combustion chamber and flue gas tubes; removable rear smoke boxcover an inspection door; the turbulators are removable.
  • Easy installation: standard fittings.
  • Flexible installation: these boilers can be used in a wide range of applications with Riello 5000 control panels, calorifier and other Rielloaccessories.

Specifications:
RTQ Series
HWG detailsRTQ 100/109RTQ 130/154RTQ 200/235RTQ 300/323RTQ 400/467RTQ 600/715RTQ 953RTQ 1074RTQ 1308
FuelNG / LPG / Light Oil
Output CapacitykW108.7154235.3322.9467715.4952.71074.11308
kcal/h93,4821,32,6122,02,3582,77,6944,01,6206,15,2448,19,3229,23,72611,24,880
Efficiency%94.592.992.392.893.493.493.493.493.4
Max. flow temp.°C100
Min. return temp.°C55
Water holding capacityLtr.16116129126830859383910801350
Max. working pressurebar56
Boiler weight with casingkg283283355473610970140618172280

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  • Item Code: RTQ100
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Riello 3300 Series Hot Water Generators

Riello 3300 Series Hot Water Generators
  • Riello 3300 Series Hot Water Generators
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Product Details:

Volumetric Thermal Load852 kW/m3
Maximum Output19.1 kW
FuelGas (Natural Gas or LPG)/ Light oil
Efficiency at Maximum Output90.8%
Heat Losses Through Insulation1.5%
Flue Gas Mass Flow Rate0.008 kg/sec
Combustion Chamber Volume24.6 dm3
Combustion Chamber Pressure Drop0.13 mbar
Maximum Working Pressure5 Bar
Boiler Weight with Casing104 kg
Flue Gas Volume39.9 dm3
Maximum Flow Temperature100 Degree C
Minimum Return Temperature55 Degree C
Heat Losses Through Flue Gas0.1% (burner lock-out), 100 % load 7.5%
Flue Gas Temperature150-170 Degree C
Maximum Input21 kW
Capacity32 ltr
BrandRiello
Efficiency89.6% (at 30% Load)

Reverse flame horizontal furnace boiler manufactured from carbon steel. These appliances can be fired ( on oil or gas ) with pressure jet burners. Fitted with removable stainless steel turbulators that optimise heat exchange and uniformly distribute the thermal load. Suitable for operation with inside-outside compensation(climate control), with 55°C minimum return temperature for all fuel. Insulated boiler body.Double hinged front door with ceramic insulation and removable rear smoke box cover.These boilers are available in 6 models, with output from 19.1 to 91.5 kW.The control panel is available as optional.

Product Advantages:
  • High efficiency (>90%) with low operating costs.
  • Combination available with Domestic Hot Water Calorifer
  • Thermostatic or climate control
  • Suitable for operation with temperature modulation (inside out side compensation), with a minimum return temperature of 55°C. Combi
Installation/Maintenance Advantages:
  • Easy to transport: delivered in separate packages.
  • Easy installation: simple assembly, standardised fittings.
  • Flexible installation: differentiated boiler management (thermostatic or climate control with room thermostat), available with domestic hot water calorifier as optional (RIELLO 7300)
  • Extremely easy maintenance: complete access to the internal components.
  • Combination available with Riello 7300 DHW.

Specifications:
R3300 Series
HWG detailsR3300.17R3300.27R3300.36R3300.45R3300.63R3300.80
FuelNG / LPG / Light Oil
Output CapacitykW19.131.340.852.273.191.5
kcal/h16,42626,91835,08844,89262,86678,690
Efficiency%90.890.890.791.591.491.5
Max. flow temp.°C100
Min. return temp.°C55
Water holdind capacityLtr.3242556497114
Max. working pressurebar5
Boiler weight with casingkg104110123138195210
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  • Item Code: Riello3300.17
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Tregi Series Hot Water Generators

Tregi Series Hot Water Generators
  • Tregi Series Hot Water Generators
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Product Details:

Index of ProtectionIP X0D (40)
Maximum Output23.9 kW
Minimum Input16.3 kW
Heat Losses Through flue gas Burner Lock Out7 % burner on
Minimum Return Temperature40 Degree C
Boiler Capacity13.7 L
Volumetric Thermal Load1656 kW/m3
Minimum Output14.9 kW
Efficiency Referred Output(min/max) 91.4/90.2%
Exhaust Losses Heat losses Through Flue Gas0.1 % burner off
Exhaust Side Volume Total Flue Gas Volume22 dm3
Combustion Chamber Volume16 dm3
Combustion Chamber Pressure Drop0.03/0.1 mbar
Flue Gas Mass Flow Rate0.01 kg/s
Heat Losses Through Insulation2.8%
Maximum Flow Temperature100 Degree C
Boiler Maximum Working Pressure400 kPa
Boiler Weight109 kg
Maximum Input26.5 kW
BrandRiello
Efficiency90.9% (Referred to 30% Load)
Model Number/NameTregi Series

3-pass sectional boiler with wet base furnace, complete with removable turbulators and horizontal flue passes with fins, to generate an efficient gas to water heat transfer. Available with pressure jet oil or gas (natural gas and LPG) burners achieving efficiency >90%. Double hinged front door with ceramic insulation. Boiler lagged with fiber-glass wool. Control panel designed to suit on-off burner complete with control and high-limit thermostats. Casing constructed from sheet steel finished in power coating. Version available with Calorifier (capacity 60 / 100 litres) lagged with a thick polyurethane foam jacket complete with pipe and pump.The range includes 6 boiler models with duties from 24 to 64 kW.

Product Advantages:
  • High overall seasonal efficiency with low operating costs.
  • Can be combined with a separate storage cylinder for domestic hot water production.
  • Return temperature up to 40 °C for all fuels.

Installation/Maintenance Advantages:
  • Easy to transport. Boilers come pre-assembled in a pallettised wooden crate (models “TREGÌ 3K and 4K”), alternatively in two separate packages (one for the boiler, one for the casing).
  • Easy installation. Standard fittings, compact size and standard boiler plate
  • Easy maintainance and servicing . Front-on access to the combustion chamber; easy access to the flue gas and control panel; inspection flange and sacrifical magnesium anode.

Specifications:

HWG details
Tregi 3NTregi 4NTregi 5NTregi 6NTregi 7NTregi 8N
FuelNG / LPG / Light Oil
Output CapacitykW23.931.540.248.256.263.8
Efficiency%90.290.590.790.890.691.1
Max. flow temp.°C100
Min. return temp.°C40
Water holding capacityLtr.13.717.220.724.227.731.2
Max. working pressurebar4
Boiler weight with casingkg109135161187213239
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  • Item Code: TREGi3
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