Part of the Vaillant Group, Heatline manufactures a limited range of affordable combi boilers. 

With prices starting at £478, these boilers are basic but still include a number of clever features. They are fitted with built-in frost protection, a Gurundos pump, an aluminium heat exchanger and a digital display. 

Heatline combi boilers

The Capriz2 is lightweight and compact and is ErP A rated for efficiency. It is available in two sizes: 18.4kW and 24.7kW, which are ideal for apartments and smaller houses with one bathroom and up to 9 radiators. 

One consideration to take into account is that Heatline boilers only come with a standard parts and labour warranty of 2 years, so if anything goes wrong after this point you’ll need to pay for repairs or replacement parts. In comparison, lots of other manufacturers offer warranties of 8, 10 or even 14 years. 

Boiler model kW Output Efficiency Warranty Price
Heatline Capriz2 24kW Combi Gas Boiler 18.4kW 89.3% 2 years £478
Heatline Capriz2 28kW Combi Gas Boiler 24.7kW 89.3% 2 years £506
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