Vaillant ecoTec plus 831 R1 gas boiler Used for 1 year and working perfectly, come with the flu. Collection only This Vaillant EcoTEC Plus 831 boiler is the perfect addition to your home heating system. With its storage tank water heater design, you can expect a reliable and efficient performance. The boiler is made by Vaillant, a trusted brand in the industry, and is ideal for those in need of a replacement or upgrade. The EcoTEC Plus 831 model is a standard water heater that is suitable for any home. It has a number of features that make it a great choice, including its easy installation and compact design. Whether you're looking for a new heating system or simply need a replacement, this Vaillant boiler is sure to meet your needs.
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