Extremely reliable and displaying all the in-built quality you have come to expect from Vaillant, the eco TEC plus is clearly one of the best open vent solutions available today where homes utilise a traditional open-vented system to provide their heating and hot water, the eco TEC plus open vent boiler is the ideal way to deliver exceptional energy efficient performance. The eco TEC plus open vent boilers are the most compact boilers ever developed by Vaillant, this kitchen-friendly design, along with excellent siting versatility and low lift weight ensure a quick and straightforward installation. They are compatible with Vaillant's fantastic push-fit flue system, providing further flexibility of installation, and easier fluing options. The Vaillant eco TEC is also simple to use, with push button programming allowing for the easy control of heat levels within the building, using less fuel ultimately saving money. They are also compatible with all Vaillant controls, including smartphone controls for remote control. 5 year manufacturer warranty SEDBUK Band 'A' rated fuel efficiency Compact and lightweight Built-in two stage frost protection Compatible with all Vaillant controls Push button programming for ease of use Comprehensive status and diagnostic information Push-fit flue system Fully modulating low NOx burner and fan Quiet Mark accredited The Vaillant ecoTEC Plus Open Vent Boiler is a compact, cupboard-size boiler that has a rear flue option available to give you more choice where you put it. But just because it’s small, there is no compromise on performance. Its straightforward backlit display, its aluminium heat exchanger and its premium components mean that the ecoTEC plus ticks all the boxes. And it’s smart too - when it knows you don’t need as much heating power, it can drop to using 16% of its maximum power saving on fuel and money. Features & Benefits: High performance, control and efficiency. Compact enough to fit in a kitchen cupboard. Hand-built in Vaillants award-winning Derbyshire manufacturing plant. Wide range of heating control options, from the simple boiler timer right up to Vaillants vSMART™ smartphone APP. Free 5 year out the box guarantee. As part of the HyDeploy project, Vaillant boilers have been tested with up to 20% hydrogen blended with Natural Gas. Dimensions (HxWxD): 600 x 375 x 320mm