Buderus GB272 series: Wall-Hung Condensing Boiler
Capacity table and technical specifications of every model in the Buderus GB272 series.
The Buderus Logamax plus GB272 series consists of wall-hung condensing boilers from 49.9 kW up to 146 kW. They are used alone or in cascade in the central heating of apartment blocks, hotels, schools and commercial buildings.
The boilers are rated for 6 bar operating pressure. With the MC400 cascade module up to 4 boilers can run as one system; heating circuits and the hot water cylinder are controlled with the RC310 controller and the MM100 zone module.
All models in the GB272 series
| Model | SAP no. | Nominal heat output (kW) | |
|---|---|---|---|
| 50/30 °C | 80/60 °C | ||
| GB272-49 | 7736702188 | 49.9 | 46.5 |
| GB272-69 | 7736702189 | 69.5 | 62.6 |
| GB272-100 | 7736702191 | 99.5 | 94.5 |
| GB272-125 | 7736702192 | 124.5 | 118.1 |
| GB272-150 | 7736702193 | 146.0 | 141.7 |
Values are the nominal heat outputs given in the manufacturer's price list (at 50/30 °C and 80/60 °C water temperatures). The ErP energy label covers appliances of 70 kW and below. Data date: 2026-09-24.
Specifications
- Brand
- Buderus
- Series
- GB272
- Type
- Wall-hung condensing boiler
- Fuel
- Natural gas
- Operating pressure
- 6 bar
- Cascade
- Up to 4 boilers with MC400
- Energy class
- A (GB272-49 and GB272-69)
- Models
- 5 models (49 – 150)
Compatible accessories
7738114123RC310 controller, black (EMS system controller; FA outdoor sensor included)7738111002MC400 cascade module (cascade control of up to 4 boilers with RC310)7738113392MM100 zone module (for 1 cylinder or 1 heating circuit)5991376FV/FZ sensor (for heating circuit or low-loss header)7735502288Cylinder temperature sensor7736702647MX400 module set (boiler control from the mobile app over Wi-Fi)7724003122Grundfos UPM3L circulator (for 49 and 69 kW)7724003123Grundfos UPM10M circulator (for 100 kW)7724003124Grundfos UPM20M circulator (for 125 and 150 kW)7736701875Wilo circulator (for 49 and 69 kW)7736701874Wilo circulator (for 100 kW)7736701873Wilo circulator (for 125 and 150 kW)7736702215Quick-mount unit with Wilo pump, uninsulated (for 49 and 69 kW)7736702216Quick-mount unit with Wilo pump, uninsulated (for 100 kW)7736702217Quick-mount unit with Wilo pump, uninsulated (for 125 – 150 kW)7736701876Wall insulation kit for pump and mounting unit (all sizes)7736701912Floor insulation kit for pump and mounting unit (all sizes)