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 |