Potterton Assure Combi

The Potterton Assure Combi range of boilers are efficient and lightweight ideal for most social housing properties. Contact your local Business Development Manager to find out more.

Suitable for

Social Housing

Assure Combi product image

Single boiler output
25kW and 30kW

Lightweight and compact
29kg installer lift weight, making it easy to install

Front access to all components
For easier servicing

With many smart features, including front access components and a compact cupboard fit, the Potterton Assure Combi makes installation and maintenance quicker, easier and more efficient.
Available in 25kW and 30kW, the Potterton Assure Combi is easy to install and can be fitted in most social housing properties.

Designed for social housing, the Potterton Assure Combi saves you money and time by using the right amount of fuel to meet the set central heating temperatures and not requiring any special tools or replacement seals for a standard service.

To register a Potterton Assure Combi, click here

  • Energy Saving Trust Endorsed
  • Outputs: 25kW and 30kW to suit most property sizes
  • Compact cupboard fit means it can be installed discreetly
  • Lightweight 29kg lift weight
  • Front access to all components saves time when servicing, allowing for ease of maintenance and repair
  • Fully modulating and highly efficient boiler intelligently uses the right amount of fuel to meet the set central heating temperatures, saving money on fuel bills
  • Central flue for ease of siting
  • Flueing options of up to 20m allows for greater flexibility of siting
  • Optional outdoor weather sensor enhances system control and customer comfort
  • No special tools or replacement seals required for standard service
  • Pipes behind facility within boiler casing to save time, space and money by piping behind within the footprint of the appliance
  • Boiler casing hides system connections for a clean aesthetic finish
  • Built in drip tray provides protection against water ingress in extreme weather conditions
  • Optional Safety Assist available gives the ability to protect vulnerable residents by locking controls
  • Vertical packaging allows for ease of access to all installation accessories from top of the packaging

Potterton Assure Combi 


Units  25  30 
Sales code 7658129 7658130


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


Natural gas Yes Yes
Nominal inlet supply pressure mbar 20  20 
Maximum gas rate  m3/hr  2.71 3.26 
Heat input central heating (CH)  kW Max Gross (QnHs)  22.86 28.58
kW Min Gross (QnHs)  6.87  6.87 
Heat output CH non-condensing  kW Max (Pn)  20.00 25.00 
kW min (Pn)  6.20 6.20 
Heat output CH condensing  kW max (Pnc)  21.16 26.33
kW min (Pnc)  6.70 6.70
Heat input domestic hot water  kW Max Gross (QnwHs)  25.00 30.00
Heat output domestic hot water  kW Max (Pn)  25.77 30.93
Maximum domestic hot water flow rate  l/min @ 30°C rise  12 14.3 

*Where low flow taps or fittings are intended to be used in the DHW system connected it is strongly recommended that the DHW flow rate DOES NOT fall below 2.5 l/min. This will ensure reliable operation of DHW function

View full technical specification table

Download the full technical specification for the Potterton Assure Combi

When clicked this will open the product specification in PDF format.

The following accessories and controls are compatible with the Potterton Promax Combi. To find out more, visit our Accessories and Controls page.

  • Potterton EP Series 1
  • Baxi single channel wired programmable room thermostat
  • Baxi Room thermostat
  • Multifit wired outdoor sensor-combi
  • Multifit pre-plumb jig
  • Multifit rear pipework kit
  • Remote Secondary Prv Kit
  • Filling Loop Kit
  • Multifit Safety Assist
  • Multifit-Condensate Antifreezing Kit-1m
  • Multifit-Condensate Antifreezing Kit-2m
  • Multifit-Condensate Antifreezing Kit-3m
  • Multifit-Condensate Antifreezing Kit-5m
  • Multifit External Condensate/Prv Pump

Interested in this product for your premises? Complete the form below and someone from the team will contact you shortly.

Alternatively, speak to your Business Development Manager about this or any of our products.


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