Potterton Assure Combi

Assure Combi

The Potterton Assure Combi is a fully modulating high-efficiency condensing boiler that can help to lower your fuel bills.

Potterton worked with its customers to design the compact and lightweight Assure Combi, which is supposed to suit properties of all sizes. Various natural gas models are available, as well as LPG solutions to ensure homeowners off the gas grid don’t feel left out. The boiler promises to be whisper quiet, make installation and maintenance much easier and save you some cash along the way.

How Much Does this Boiler Cost?

The Assure Combi can be purchased with an output of 25kW, 30kW or 36kW and the cost will depend on the size (heat output) of the boiler. Prices start at around £830 and go up to £1,300 including VAT, with the highest output option being the most expensive. If you want to find the best deal, we suggest you shop around because prices vary between suppliers and installers. You’ll also need to get quotes on the installation to find out how much everything should cost.

How will I know if this Boiler is Suitable for My Home?

You won’t know for sure without seeking advice from a Gas Safe registered engineer, but we can give you some indication of whether the boiler will suit your needs. As the Potterton Assure Combi is a combi boiler (or combination boiler), it doesn’t require any separate components like a hot water storage cylinder or cold water tank. Because of this, combi boilers are often recommended for smaller homes that don’t have a lot of extra space. The slight downside of most combi boilers is that they have difficulty coping with several taps or showers running at the same time.

As you probably already know, a new boiler will cost you a fair bit of money, so it’s important that you select the correct type and size for your property. If you really want to know if the Assure Combi will be able to meet your heating and hot water demands, you’ll need to consult a Gas Safe engineer.

Is it a High Efficiency Boiler?

Yes. The Potterton Assure Combi is an A-rated and Energy Saving Trust endorsed boiler with an energy efficiency rating of 93%. It guarantees to save you money because it’s a fully modulating boiler that uses the exact amount of heat needed to meet your set heating temperatures. And if you want to maximise efficiency levels, you can use the boiler with an optional outdoor weather sensor or even a Baxi uSense smart room thermostat that lets you control your heating from a smartphone or tablet.

Does this Boiler have a Good Range of Controls and Features?

All of the controls can be found on the front of the boiler and include a reset button, clear display, pressure gauge and dials that allow you to adjust heating and hot water temperatures. The boiler is small enough to fit in a 290mm deep kitchen cupboard and comes complete with a pipe spacing bracket and built-in stand-off frame. It has a built-in drip tray to protect the appliance against water ingress and is supplied with a central flue and a choice of flue lengths for ease of siting. And because the boiler has front access to all components, your engineer can save time when carrying out repairs, maintenance and servicing.

How long is the Warranty on this Boiler?

The Assure Combi comes with a 2-year parts and labour warranty as standard provided the boiler is registered with Potterton within 30 days of installation and is serviced annually.

Assure Combi Boiler By Size and Price

ModelTypeDimensionsMaximum Flow RateOutputEfficiency RatingTypical Price
Assure Combi 25 CombiH - 700 mm
W - 390 mm
D - 285 mm
15 l/min25 kWA 90% and above£830
Assure Combi 30CombiH - 700 mm
W - 390 mm
D - 285 mm
15 l/min30 kWA 90% and above£1100
Assure Combi 36CombiH - 700 mm
W - 390 mm
D - 285 mm
15 l/min36 kWA 90% and above£1300

Summary of Important Information

  • Priced between £830 and £1,300
  • Heating output of 25kW, 30kW or 36kW
  • Hot water flow rates of 10.2, 12.2 or 15 litres per minute
  • Dimensions of 700mm (H) x 390mm (W) x 285 (D)
  • Uses gas as its fuel source
  • A-rated for efficiency
  • Smart compatible
  • 2-year warranty as standard

Pros and Cons

According to a Which? survey, Potterton boilers have an average rating for reliability so it might be a good idea to look at some customer reviews before purchasing this boiler. Below, you can find a full list of the pros and cons of the Assure Combi.

  • Fits in a 290mm deep kitchen cupboard
  • Suited to small, medium and large-sized homes
  • No need for separate cylinder or loft tanks
  • Central flue and choice of flue lengths, bends and accessories – siting flexibility
  • Built-in drip tray – protects the boiler from water ingress
  • Easy to use and service
  • Provides maximum energy efficiency – reduce fuel bills and carbon emissions
  • Compatible with outdoor weather sensor – enhances comfort levels and system control
  • Compatible with Baxi uSense smart room thermostat – can monitor your energy use and control your heating using a smartphone or tablet, wherever you happen to be
  • 25kW and 30kW Assure Combi LPG options available – perfect for properties off the gas grid

Cons

  • Potterton boilers have an overall Which? score of 54%
  • 2-year warranty – would prefer a longer standard guarantee

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