Vaillant ecoTEC Plus 635 System Boiler and 300 Ltr Indirect Cylinder -System Boiler Pack

Extended lead times may apply. You can email or call 01213821112 to check stock level and delivery.

Vaillant EcoTec Plus 635 System Boiler 35KW  0010036014

The new ecoTEC plus is the product of hours of research and development, years of expertise and innovation and a series of fine, precise improvements that have sharpened, intensified and enhanced performance specifically for the UK market.

The new ecoTEC plus takes connectivity to a whole new level. Paired with the new plug-and-play internet gateway, my VAILLANT connect, it enables app control, smart home integration and remote appliance care and support in minutes, for increased efficiency and first-class customer service.

·         Smart home ready* - Works alongside the new plug-and-play my VAILLANT connect internet gateway, for easy connection with most Vaillant controls and app connectivity in minutes.

* Excluding timeSWITCH 150 and timeSWITCH 160.

·         Refined and enhanced internal layout - With easy access to all major components, making installation and servicing effortless.

·         Familiar footprint and external layout - Retaining the same case dimensions, boiler footprint, flue position and pipe connections for an effortless like-for-like swap.

·         New intuitive semi-touch interface - Allowing for effortless first-time installation and set-up, with guided commissioning and set up wizard and easy to follow navigation.

·         Automatic LPG conversion on most outputs* - Completed in minutes using the new intuitive interface, with no additional parts required.

* Excluding ecoTEC plus 840, 940 and 635.

·         New IoniDETECT technology - Intelligent gas combustion monitoring, helping the new ecoTEC plus reach wider modulation range of up to 1:9, for even greater system efficiency.

·         Sharpened intelligence with LINbus technology - Enables more intelligent and accurate reading of flow rate and pressure differential via internal pump for improved performance.

·         Hydrogen prepared - Suitable to work safely and efficiently with up to 20% hydrogen mix.

Tempest Indirect hot water storage cylinders feature an internal coil and are designed for use with a gas or oil-fired boiler, as the main heat source (either sealed system or open vented). Manufactured from Duplex stainless-steel, the cylinders are supplied with a factory-fitted 3 kW immersion heater to provide back-up heat.

Duplex stainless-steel provides superior corrosion resistance

316L grade stainless-steel 22mm compression fittings and coils

Supplies mains pressure hot water and high flow rates

Fast reheat

Factory-fitted temperature and pressure relief value set at 7 bar / 90°C

Remote expansion vessel with factory-fitted wall mounting bracket

Full unvented kit supplied

Highly efficient

Fully insulated to minimise any heat loss

Factory-fitted 3kW immersion heater 

Available in 90–500 litre capacities

Lifetime manufacturing warranty on inner container (2 years on components)*

Renewable and bespoke options available