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Riello 3300 Series

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 optimize 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.
R3300 Series

HWG details R3300.17 R3300.27 R3300.36 R3300.45 R3300.63 R3300.80
Fuel NG / LPG / Light Oil
Output Capacity kW 19.1 31.3 40.8 52.2 73.1 91.5
kcal/h 16,426 26,918 35,088 44,892 62,866 78,690
Efficiency % 90.8 90.8 90.7 91.5 91.4 91.5
Max. flow temp. °C 100
Min. return temp. °C 55
Water holdind capacity Ltr. 32 42 55 64 97 114
Max. working pressure bar 5
Boiler weight with casing kg 104 110 123 138 195 210

RTQ 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.
RTQ Series
HWG details RTQ 100/109 RTQ 130/154 RTQ 200/235 RTQ 300/323 RTQ 400/467 RTQ 600/715 RTQ 953 RTQ 1074 RTQ 1308
Fuel NG / LPG / Light Oil
Output Capacity kW 108.7 154 235.3 322.9 467 715.4 952.7 1074.1 1308
kcal/h 93,482 1,32,612 2,02,358 2,77,694 4,01,620 6,15,244 8,19,322 9,23,726 11,24,880
Efficiency % 94.5 92.9 92.3 92.8 93.4 93.4 93.4 93.4 93.4
Max. flow temp. °C 100
Min. return temp. °C 55
Water holdind capacity Ltr. 161 161 291 268 308 593 839 1080 1350
Max. working pressure bar 5 6
Boiler weight with casing kg 283 283 355 473 610 970 1406 1817 2280

Tregi 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.
TREGI Series
HWG details Tregi 3N Tregi 4N Tregi 5N Tregi 6N Tregi 7N Tregi 8N
Fuel NG / LPG / Light Oil
Output Capacity kW 23.9 31.5 40.2 48.2 56.2 63.8
kcal/h 20,554 27,090 34,572 41,452 48,332 54,868
Efficiency % 90.2 90.5 90.7 90.8 90.6 91.1
Max. flow temp. °C 100
Min. return temp. °C 40
Water holdind capacity Ltr. 13.7 17.2 20.7 24.2 27.7 31.2
Max. working pressure bar 4
Boiler weight with casing kg 109 135 161 187 213 239

Domus 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. Version available with 60 or 120 litres Calorifier tank, with vitreous enamel lining for a long working life and maximum hygiene. LPG conversion kit supplied as standard.
DOMUS Series
HWG details Domus 31 IN Domus 31 ISCN Domus KL/60 31 ICN
Fuel NG / LPG
Output Capacity kW 31 31.7 31
kcal/h 26,660 27,262 26,660
Efficiency % 90.12 90.9 90.12
Max. flow temp. °C 100
Water holdind capacity Ltr. 10.6 18.5 11.7
Max. working pressure bar 3 3.5 3
Tank capacity Ltr. NA 120 60
Coil water capacity Ltr. NA 5.5 6.6
Max. working pressure for Tank bar NA 7 7
Boiler weight with casing kg 118 210 163