Description
5 Star Pellet Boiler Stove MONTEGRAPPA MW 22 AUP MARRA M
Majolica cladding with black top, round painted steel structure. Exterior door with curved black painted glass.
Automatic burner cleaning system MONTEGRAPPA MW 22 AUP MARRA Ash outflow hopper Door with wonder-effect glass Control panel equipped with backlit graphic display with digital icons TOUCH SCREEN Intuitive software with programmable thermostat and possibility of setting different types of system Continuously rotating gearmotor Electronic board with the possibility of managing external thermostats Fully ductable combustion air that allows the stove to Wi-Fi module (optional) Shell and tube steel heat exchanger with turbulators that can be moved by the user Deep cylindrical burner with holes for the air inlet for the second combustion Optional domestic water kit (only on MW24 model) Ignition tube inserted inside the burner always guarantees perfect ignition of the product TUTOR new efficient combustion control system Integrated ventilation kit safety Safety pressure gauge Adjustable non-slip feet for correct leveling 10 power levels for more efficient modulation 3 bar safety valve Water pressure reading transducer Integrated high-efficiency circulator with bidirectional PWM electronic management 8 liter capacity expansion tank Supply water temperature probe Return water temperature probe Large removable ash drawer Probe internal flue gas temperature and room temperature Practical rear water connections 35 litre boiler
MONTEGRAPPA MW 22 AUP MARRA
body size + cover: L 65 x P 67 x H 120 cm



Technical data
Quality class (D.M. 186 – 7/11/2017) | ![]() |
|
overall heat output (at the hearth) | 21.3 | Kw |
Certified | 5.4 – 19.7 | Kw |
Certified power rendered to the environment | 0.9 – 2.3 | Kw |
Certified power rendered to water | 4.5 – 17.4 | Kw |
CO measured (at 13% oxygen) | 0.004 | % |
Yield (η) | 92.4 | % |
Primary Particulate Matter (PP) at 13% oxygen | 15 | mg/Nm³ |
COT (at 13% oxygen) | 1 | mg/Nm³ |
Fuel | 1.17 – 4.39 | kg/h |
flow rate of fumes | 6.8 – 14.3 | g/s |
Flue | 72 – 129 | °C |
draught (vacuum at the chimney) | 5 | Pa |
Tank | 28 | Kg |
autonomy | 23.5 – 6.0 | h |
Smoke | Ø 100 | Mm |
air inlet for combustion | Ø 60 | Mm |
Heatable surface* | 226 | sqm |
net weight | 153 | Kg |
Weight with packaging | 164 | Kg |
* with the conditions shown in the General Catalogue |

Giovanna De Santis (verified owner) –
Sono rimasto davvero sorpreso dalla qualità e dall’efficienza di questa termostufa a pellet. Il design elegante con rivestimento in maiolica e struttura in acciaio verniciato si integra perfettamente con il mio arredamento. La funzionalità di pulizia automatica del bruciatore rende l’utilizzo estremamente comodo e pratico. Consiglio vivamente questo prodotto per chiunque cerchi prestazioni elevate e un’estetica raffinata.
Matteo Rinaldi (verified owner) –
Ho acquistato questa termostufa pellet e devo dire che ne sono rimasto davvero soddisfatto. Il design con rivestimento in maiolica e struttura in acciaio verniciato è davvero elegante e si adatta perfettamente al mio arredamento. Inoltre, il sistema di pulizia automatica del bruciatore rende l’utilizzo estremamente pratico e comodo. Consiglio vivamente questo prodotto a chiunque sia alla ricerca di una soluzione di riscaldamento efficiente e di classe.