Compare Models
2Keston Combi Boilers compare
| Model name | Keston Combi 30 | Keston Combi 35 |
| Picture |  |
 |
| Features | 30 kW | 35 kW |
| User Interface | ||
| User Display | Digital | Digital |
| User Interface Manual Control | Yes | Yes |
| Fault Diagnostics Display | Yes | Yes |
| User adjustable manual heating control | Yes | Yes |
| In-built Programmer | No | No |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2005/2009 annual efficiency (PCDB/SEDBUK) “A” class | 91% | 91% |
| NOx class- best in class | 5 | 5 |
| Construction | ||
| Heat Exchanger Material | Aluminum | Aluminium |
| Burner type | downward pre-mix | downward pre-mix |
| Fully modulating | Yes | Yes |
| DHW plate heat exchanger | Yes | Yes |
| Integrated Hydroblock | Yes | Yes |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Mechanical | ||
| Pre-plumbing kit | No | No |
| Stand off kit | Yes | Yes |
| Stand off kit including pipes | No | No |
| Performance | ||
| CH output kW 70 degrees | 6-24 | 7-24 |
| DHW output max | 30.3 | 35.3 |
| Flues | ||
| Max horizontal | 27mFlue/2mAir | 25mFlue/2mAir |
| Weights | ||
| Max installation lift weight | 33 kg | 32-33 kg |
| Gross packaged boiler weight | 38 kg | 37-38 kg |
Keston Heat Boilers compare
| Model name | Keston Heat 45 | Keston Heat 55 |
| Picture |  |
 |
| Features | 45 kW | 55 kW |
| User Interface | ||
| User Display | Digital Alpha | Digital Alpha |
| User Interface Manual Control | Yes | Yes |
| Fault Diagnostics Display | Yes | Yes |
| User adjustable manual heating control | Twin Sat | Twin Sat |
| In-built Programmer | No | No |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2009 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% |
| NOx class- best in class | 5 | 5 |
| Construction | ||
| Heat Exchanger Material | Aluminum | Aluminium |
| Burner type | downward pre-mix | downward pre-mix |
| Fully modulating | Yes | Yes |
| DHW plate heat exchanger | No | No |
| Integrated Hydroblock | N/A | N/A |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Mechanical | ||
| Pre-plumbing kit | No | No |
| Stand off kit | No | No |
| Stand off kit including pipes | No | No |
| Performance | ||
| CH output kW 70 degrees | 12-43 | 12-52 |
| DHW output max | N/A | N/A |
| Flues | ||
| Max horizontal | 21mFlue/2mAir | 17mFlue/2mAir |
| Weights | ||
| Max installation lift weight | 49 kg | 49 kg |
| Gross packaged boiler weight | 70 kg | 70 kg |
Keston Hot Water Storage Systems
| Model name | 90 | 120 |
| Picture |  |
|
| Features | ||
| Capacity | ||
| Liters | 90 | 120 |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2009 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% |
| NOx class- best in class | 5 | 5 |
| Heat Up Time | ||
| Minutes | 21 | 27 |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Recover time | ||
| Minutes | 16 | 19 |
| Weight Size | ||
| Max installation lift weight | 109 kg | 142 kg |
| Size | 732×550 mm | 920×550 mm |
| Model name | 150 | 180 |
| Picture | |
|
| Features | ||
| Capacity | ||
| Liters | 150 | 180 |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2009 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% |
| NOx class- best in class | 5 | 5 |
| Heat Up Time | ||
| Minutes | 28 | 33 |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Recover time | ||
| Minutes | 19 | 21 |
| Weight Size | ||
| Max installation lift weight | 176 kg | 208 kg |
| Size | 1107×550 mm | 1275×550 mm |
| Model name | 210 | 250 |
| Picture | |
|
| Features | ||
| Capacity | ||
| Liters | 210 | 250 |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2009 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% |
| NOx class- best in class | 5 | 5 |
| Heat Up Time | ||
| Minutes | 41 | 44 |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Recover time | ||
| Minutes | 26 | 30 |
| Weight Size | ||
| Max installation lift weight | 288 kg | 288 kg |
| Size | 1483×550 mm | 1733×550 mm |
| Model name | 300 | 400 |
| Picture | |
|
| Features | ||
| Capacity | ||
| Liters | 300 | 400 |
| Gas | ||
| Natural gas, LPG | NG | NG |
| SAP 2009 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% |
| NOx class- best in class | 5 | 5 |
| Heat Up Time | ||
| Minutes | 48 | 55 |
| Electrical | ||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz |
| Recover time | ||
| Minutes | 32 | 36 |
| Weight Size | ||
| Max installation lift weight | 344 kg | 455 kg |
| Size | 2020×550 mm | 2040×630 mm |