The Vaillant ecoFIT pure 835 Combi Boiler, Horizontal Flue & Advance Boiler Protection Kit provides a complete, ready-to-install heating solution for larger homes with higher hot water demand. Delivering a powerful 35kW output and up to 14.1 litres per minute of domestic hot water, it offers reliable performance for both heating and everyday hot water use.

Designed with a compact cupboard-fit footprint (700 x 390 x 295mm), the ecoFIT pure 835 is ideal where installation space is limited. Its Quiet Mark accreditation, high-efficiency A-rated performance and durable aluminium heat exchanger make it a dependable choice for modern domestic heating systems.

This pack includes a horizontal flue for standard wall installations, together with a Vaillant Advance Boiler Protection Kit to help reduce system debris, protect key components and support long-term system efficiency.

Kit includes:
Vaillant ecoFIT pure 835 Combi Boiler (35kW output)
Horizontal flue kit
Vaillant Advance Boiler Protection Kit

Built for straightforward installation and dependable performance, this all-in-one boiler pack provides installers with a practical, high-quality solution for efficient domestic heating systems.