Potterton Promax Ultra Combi Boiler

£583.33

potterton
  • 14 Day Returns
  • Next Day Delivery
  • Free Delivery Available
  • Returns Collection Services Available
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  • 24kW, 28kW, 33kW and 40kW models available - a model to suit most sizes of property
  • 40kW model - delivers a higher domestic hot water flow rate for larger properties
  • N0x Class 5 - best in class
  • One boiler to suit both fuel types -  no conversion kit required
  • Pre-plumbing jig -  saving time on installation.

install date after checkout

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Specifications

Units  24  28  33  40 
Sales code 7223762  7223763  7223764  7223765 

Controls 

Concealed user controls    Yes  Yes   Yes   Yes  
On/off switch with reset    Yes   Yes   Yes   Yes  
User adjustable DHW temperature    Yes   Yes   Yes   Yes  
User adjustable CH temperature    Yes   Yes   Yes   Yes  
LED temp/status/fault diagnosis display    Yes   Yes   Yes   Yes  
Integral 24hr electro-mechanical timer    No  No  No  No 

Gas

Natural gas  mbar  Yes  Yes  Yes  Yes 
Nominal inlet supply pressure m3/h  20  20  20  20 
Maximum gas rate    2.61  3.05  3.59  4.35 
Propane LPG  mbar  Yes   Yes   Yes   Yes  
Nominal inlet supply pressure  kg/h  20  20  20  20 
Maximum gas rate  kg/h  1.69  2.29  2.70  3.27 
Heat input central heating (CH)  kW Max Gross (QnHs)  22.20  26.64  31.08  35.52 
kW Min Gross (QnHs)  3.89  4.32  5.33  6.55 
Heat output CH non-condensing  kW Max (Pn)  20.00  24.00  28.00  32.00 
kW min (Pn)  3.40  3.80  4.70  5.70 
Heat output CH condensing  kW max (Pnc)  21.20  25.30  29.60  33.80 
kW min (Pnc)  3.70  4.10  5.10  6.20 
Heat input domestic hot water  kW Max Gross (QnwHs)  27.40  32.10  37.80  45.80 
Heat output domestic hot water  kW Max (Pn)  24.00  28.00  33.00  40.00 
Maximum domestic hot water flow rate  I/min @ 35°C rise  9.8  11.5  13.5  16.4 
SAP 2009/2012 annual efficiency (PCDB/SEDBUK)  89.1  89.1  89.1  89.1 
NOx class   

Description

Available in outputs of 24kW, 28kW, 33kW and 40kW, the Potterton Promax Ultra Combi delivers domestic hot water flow rate up to 16.4 litres/minute and has an excellent SAP 2012 seasonal efficiency rating for cost effective compliance with the Building Regulations.

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The Promax Ultra comes with built-in frost protection and flueing options up to 20 metres so it can be installed almost anywhere, offering greater siting flexibility.

To register a Potterton Promax Ultra boiler online, click here

Terms and conditions apply.

Please note: warranty and purchasing information on this site applies to the UK only. For information on how to buy these products in the Republic of Ireland, please visit Baxi Potterton Myson.

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