| Technical Specifications | UNIT | Value | 
|---|
| Model | - | M 28FF | 
| Heating input | kW | 30 | 
| Heating output | kW | 28 | 
| Heating efficiency | % | 93 | 
| Maximum temperature of central heating flow | °C | 85 | 
| Maximum pressure of central heating flow | bar | 3 | 
| Maximum temperature of domestic hot water flow | °C | 60 | 
| Minimum pressure of domestic cold water flow input | bar | 0.5 | 
| Maximum pressure of domestic cold water flow input | bar | 10 | 
| Minimum flow rate of domestic hot water | l/min | 2 | 
| Maximum flow rate of domestic water | l/min | 13.4 | 
| Static head of pump | m.w.c | 6 | 
| Hydraulic connection diameter (Heating system) | inch | 3/4 | 
| Hydraulic connection diameter (Sanitary system) | inch | 1/2 | 
| Gas input diameter | inch | 3/4 | 
| Flue diameter | mm | 600/100 | 
| Net weight | kg | 35 | 
| Power Supply | W | 152 | 
| Depth | mm | 340 | 
| Width | mm | 400 | 
| Height | mm | 720 |