Compare Models
Potterton gas boilers
| Model name | Potterton Promax Combi | Potterton Promax Ultra | |||
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| Features | Units 24, 28,33 | Units 24, 28,33.40 | |||
| Controls | |||||
| Concealed user controls | Yes | Yes | |||
| Operating mode selector switch with reset | Yes | Yes | |||
| User adjustable DHW temperature | Yes | Yes | |||
| User adjustable CH temperature | Yes | Yes | |||
| LED temp/status/fault diagnosis display | Yes | Yes | |||
| Gas | |||||
| Natural gas, LPG | NG | NG | |||
| SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 89% | |||
| NOx class- best in class | 5 | 5 | |||
| ErP product information | |||||
| NOx | 20-23 mg/kWh | 15-24 mg/kWh | |||
| Sound power level, indoors | A | A | |||
| Space heating efficiency class | A | A | |||
| Water heating declared load profile | XL | XL-XXL | |||
| Water heating efficiency class | A | A | |||
| EcoHomes | 3 | 3 | |||
| Electrical | |||||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz | |||
| Mechanical | |||||
| Pre-plumbing/wall mounting jig | Yes | Yes | |||
| Isolating valves | Yes | Yes | |||
| Hydraulic | |||||
| Domestic hot water output (raised 35°C) (max) | 10-13.5 I/min | 10-16 l/min | |||
| Integral automatic bypass | Yes | Yes | |||
| Integral expansion vessel capacity | 8 litres | 8 litres | |||
| Max capacity of central heating system | 125 litres | 125 litres | |||
| Twin flue system | |||||
| Twin pipe flue Diameters | 80/80mm | 80/80 mm | |||
| Weights | |||||
| Max installation lift weight | 40.2kg | 36-39 kg | |||
| Gross packaged boiler weight | 47 kg | 42-45 kg | |||
| Model name | Potterton Promax System | Potterton Promax SL Heat | ||
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| Features | Units 12, 15, 18, 24, 32 | Units 12, 15, 18, 24 | ||
| Controls | ||||
| Concealed user controls | Yes | No | ||
| Operating mode selector switch with reset | Yes | Yes | ||
| User adjustable DHW temperature | Yes | No | ||
| User adjustable CH temperature | Yes | No | ||
| LED temp/status/fault diagnosis display | No | No | ||
| Gas | ||||
| Natural gas, LPG | NG | NG | ||
| SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “A” class | 89% | 88% | ||
| NOx class- best in class | 5 | 5 | ||
| ErP product information | ||||
| NOx | 15-29 mg/kWh | |||
| Sound power level, indoors | A | A-B | ||
| Space heating efficiency class | A | A | ||
| Water heating declared load profile | M-L | S-L | ||
| Water heating efficiency class | A | A | ||
| EcoHomes | 3 | 3 | ||
| Electrical | ||||
| Electrical supply | 230/50Volts/Hz | 230/50Volts/Hz | ||
| Mechanical | ||||
| Pre-plumbing/wall mounting jig | Yes | Yes | ||
| Isolating valves | Yes | Yes | ||
| Hydraulic | ||||
| Domestic hot water output (raised 35°C) (max) | depends on model | depends onmodel | ||
| Integral automatic bypass | Yes | Yes | ||
| Integral expansion vessel capacity | 8 litres | 8 litres | ||
| Max capacity of central heating system | 125 litres | 125 litres | ||
| Twin flue system | ||||
| Twin pipe flue Diameters | 80/80mm | 80/80mm | ||
| Weights | ||||
| Max installation lift weight | 42-44 kg | 36 kg | ||
| Gross packaged boiler weight | 36-38 kg | 26 kg | ||
| Model name | Potterton Promax Store | ||
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| Features | Units 90, 115, 150 | ||
| Controls | |||
| Concealed user controls | No | ||
| Operating mode selector switch with reset | Yes | ||
| User adjustable DHW temperature | Yes | ||
| User adjustable CH temperature | Yes | ||
| LED temp/status/fault diagnosis display | Yes | ||
| Gas | |||
| Natural gas, LPG | NG | ||
| SAP 2009/2012 annual efficiency (PCDB/SEDBUK) “A” class | 89% | ||
| NOx class- best in class | 5 | ||
| ErP product information | |||
| NOx | |||
| Sound power level, indoors | A-B | ||
| Space heating efficiency class | A | ||
| Water heating declared load profile | XL | ||
| Water heating efficiency class | A | ||
| EcoHomes | 3 | ||
| Electrical | |||
| Electrical supply | 230/50Volts/Hz | ||
| Mechanical | |||
| Pre-plumbing/wall mounting jig | Yes | ||
| Isolating valves | Yes | ||
| Hydraulic | |||
| Domestic hot water output (raised 35°C) (max) | 25 l/min | ||
| Integral automatic bypass | Yes | ||
| Integral expansion vessel capacity | 8 litres | ||
| Max capacity of central heating system | 125 litres | ||
| Twin flue system | |||
| Twin pipe flue Diameters | 80/80mm | ||
| Weights | |||
| Max installation lift weight | 42-45 kg | ||
| Gross packaged boiler weight | 47-48 kg | ||