Potterton Assure System

Designed specifically for social housing, the Potteron Assure System is a fully modulating and highly efficient boiler that uses the right amount of fuel to save you money on fuel bills. Contact your local Business Development Manager to find out more.

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Suitable for

Social Housing

Single boiler output
15kW and 18kW

Lightweight and compact
28kg installer lift weight, making it easy to install

Compact cupboard fit
Can be installed in a 290mm deep cupboard

The Potterton Assure System is available in outputs of 15kW and 18kW to suit most property sizes. Combined with a compact cupboard fit and flueing options up to 20m, the Potterton Assure System can be easily sited, making it ideal for most social housing properties.

Designed for social housing, the Potterton Assure System saves you time, space and money by piping behind within the footprint of the appliance, whilst having front access to all components to ease maintenance and save time when servicing.

To register a Potterton Assure System, click here.

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  • Outputs: 15kW and 18kW to suit most property sizes
  • Compact cupboard fit means it can be installed discreetly
  • Lightweight 28kg 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 available 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
  • Built in drip tray provides protection against water ingress in extreme weather conditions
  • Vertical packaging allows for ease of access to all installation accessories from top of the packaging

View product specification

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

Potterton Assure System


Units  15  18 
Sales code 7658127 7658128


Concealed user controls    No  No  
Reset switch    Yes   Yes  
User adjustable CH temperature    Yes   Yes  
LED operating status display   Yes   Yes  


Natural gas NG NG
Nominal inlet supply pressure mbar 20  20 
Maximum gas rate  m3/hr  1.64  1.96 
Heat input central heating (CH)  kW Max Gross (QnHs)  17.16 20.60
kW Min Gross (QnHs)  5.15 5.15
Heat output CH non-condensing  kW Max (Pn)  15.00 18.00 
kW min (Pn)  4.50 4.50
Heat output CH condensing  kW max (Pnc)  16.39 19.62
kW min (Pnc)  4.85 4.85

ErP product information 

NOx  mg/kWh  31.4 32.6 
Sound power level, indoors  LWA DB  48 51
Space heating efficiency class   


Electrical supply  Volts/Hz  230/50  230/50 
Permanent live required  Yes  Yes 
Switched live   Yes  Yes 
Electrical power cable fitted as standard No No
Power consumption  Watts  46 56 
External fuse rating  Amps 
Internal fuse rating  Amps  F2HA250V F2HA250V
Ingress protection rating    IPX5D  IPX5D 
Boiler IP rating (electrical protection)  Approval category  IPX5D  IPX5D 
Integral ‘boiler only’ frost thermostat Yes Yes
Pump overrun Yes Yes


Wall mounting jig    Yes   Yes  
Isolating valves    Yes   Yes  
Gas supply connection  mm  22  22 
Central heating connections  mm  22  22 
Condensate drain connection  mm  21.5 21.5
Safety discharge connection mm  15 15


CH safety discharge pressure bar 3 3
Integral automatic bypass    Yes  Yes
Integral expansion vessel   litres   7 7
Maximum capacity of CH system   litres 120  120 
Compartment ventilation required bar  No No
Compartment ventilation required    Yes   Yes  
24hr pump exercise Yes Yes
Pump overrun   Yes  Yes 

Concentric flue systems 

Concentric flue diameters mm 60/100 and 80/125  
Standard horizontal flue kit length (ø60/100)  mm  685 685
Max equivalent length horizontal/vertical (ø60/100)  10 10
Max equivalent length horizontal/vertical (ø80/125)  20 20
Equivalent length per 135° bend  0.50 0.50
Equivalent length per 93° bend  1 1


Gross packaged boiler weight kg 30.6 30.6
Max installation lift weight  kg  28.06 28.06
Packaged boiler dimensions (WxHxD) 390mm x 700mm x 285mm

Potterton Assure System literature

Potterton Assure Range Guide updated 31/08/2017 (47.18MB) Potterton Assure System user guide updated 31/08/2017 (0.98MB) Potterton Assure System Installation and service manual updated 31/08/2017 (4.53MB)

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

  • Potterton EP Series 2
  • 2 Channel Wired Programmer Kit
  • Baxi Room thermostat
  • Multifit wired outdoor sensor-system
  • Multifit pre-plumb jig
  • Multifit rear pipework kit
  • Remote Secondary Prv Kit
  • 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

Potterton Assure System ErP labels

Potterton Assure System ErP Package Label updated 31/08/2017 (0.79MB) Potterton Assure System ErP Product label updated 31/08/2017 (0.20MB)

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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