Combined boiler BURNiT Advance UB – A
Universal boiler for heating medium and large rooms.
Thanks to the universal retort burner, different types of fuels can be used:
– Main fuels – agropellets (straw and sunflower)
– Alternative fuels – dry stones from cherries, plums, apricots, peaches and olives.
Constructed according to standard EN 303-5.
The set includes: Combination boiler, universal retort burner and fuel hopper.
Safety valve 3 bar
Fuel bunker
Built-in controller
STB thermostat
Backfire prevention sensor

Optional:
Temperature safety valve (c) connected to the water tank (a) by a soft connection (b). This prevents self-ignition of the fuel in the bunker, as a result of backfire.

| UB-A 27 | UB-A 35 | UB-A 60 | UB-A 90 | ||
|---|---|---|---|---|---|
| Rated power | kW | 18,5 | 31,1 | 48,3 | 78,5 |
| Min. / Max. power | kW | 8÷27 | 10÷35 | 18÷60 | 27÷90 |
Overall dimensions Height H Width L Depth D | mm mm mm | 1305 1287 1007 | 1305 1417 1010 | 1442 1471 1190 | 1442 1590 1178 |
| Water jacket volume | L | 96 | 114 | 137 | 152 |
| Volume of the combustion chamber | L | 66 | 88 | 128 | 170 |
| Recommended chimney draft | Pa/mbar | 16/0,16 | 23/0,23 | 38/0,38 | 56/0,56 |
| Power supply voltage | 230 AC / 50 Hz | ||||
| Power consumed; Operating mode | W | 20-75 | 20-75 | 20-160 | 20-160 |
| Recommended fuel | pits and agropellets – straw / sunflower- ø 6÷8mm | ||||
| Exhaust gas temperaturein working mode | °С | < 250 ÷ 280 | |||
| Operating temperature range | °С | 55-80 | |||
| Working pressure | bar | 3 | |||
| Weight | kg | 341 | 392 | 563 | 642 |
| Capacity Bunker UB-A | L | 262 | 262 | 367 | 367 |
| Entrance cold water | A, mm | R¼”/212 | R¼”/212 | R1½”/232 | R1½”/232 |
| Exit hot water | B, mm | R¼”/1245 | R¼”/1245 | R1½”/1442 | R1½”/1442 |
| Entrance / Exit safety heat exchanger | E, mm | R½”/1052 | R½”/1052 | R½”/1222 | R½”/1222 |
| Sensor socket or safety valve | K, mm | Rp½”/1055 | Rp½”/1055 | Rp½”/1225 | Rp½”/1225 |
| Chimney | F, mm J, mm | ø150/945 270 | ø180/930 350 | ø200/1065 350 | ø200/1065 410 |
| Inspection opening of the chimney | O, mm | 150/70 | 150/70 | 150/70 | 150/70 |
| Draining | Y, mm | Rp½”/212 | Rp½”/212 | Rp1”/232 | Rp1”/232 |
| Soft air connection to the hopper | P | + | + | + | + |
| Management | U | + | + | + | + |
| Water tank | ( a ) | Option | |||
| Soft connection for water | ( b ) | Option | |||
| Safety valve by temperature | ( c ) | Option | |||

