The Vaillant ecoFIT Pure 835 stands as a highly formidable 35kW combi boiler, expertly crafted for properties with substantial heating requirements and high domestic hot water demand. Generating an impressive flow rate of 14.1 litres per minute, it effortlessly supplies multiple outlets while maintaining exceptional thermal stability. Despite its immense power output, the unit retains an incredibly compact footprint and a manageable 32kg weight, ensuring that installers do not have to compromise on spatial efficiency. The high-specification aluminium heat exchanger sits at the core of the system, guaranteeing rapid heat transfer and long-term mechanical resilience.

Installers will find the automatic purging assistance invaluable, as it significantly accelerates the commissioning process upon initial startup. The internal architecture has been intelligently arranged to ensure all major components are completely accessible from the front, complemented by easily removable side panels for unrestricted maintenance access. Furthermore, the provision for both top and rear flue orientations grants unparalleled flexibility when navigating complex structural obstacles. ErP A-rated for maximum energy conservation, this robust boiler sets a high benchmark for operational excellence.

Q: What flow rate does the 35kW model provide?
A: This high-capacity unit delivers an impressive hot water flow rate of 14.1 litres per minute.

Q: Are the side panels removable for maintenance purposes?
A: Yes, the side panels detach easily to provide comprehensive access to internal mechanisms.

Q: Does the system include integrated frost protection?
A: It features built-in two-stage frost protection to safeguard the unit during severe cold spells.

Q: Can the flue be configured for rear extraction?
A: The versatile design fully accommodates both rear and top concentric flue installations.