Vaillant ecoTEC Plus 840 40kW Combi Boiler | 0010036018 (Flue Included)

Vaillant ecoTEC Plus 840 40kW Combi Boiler | 0010036018 (Flue Included) The Vaillant ecoTEC Plus 840 is a premium 40kW combination boiler engineered for larger homes with demanding hot-water requirements. Delivering up to 19 litres per minute at a 30°C temperature rise, it provides powerful heating and impressive hot-water performance without requiring a separate cylinder. Vaillant’s intelligent IoniDETECT combustion technology continuously monitors combustion quality, helping the boiler maintain efficient and dependable performance. Its modern semi-touch interface, guided commissioning process and refined internal layout also make installation, setup and servicing straightforward. Smart-home ready, the ecoTEC Plus 840 can be paired with compatible Vaillant controls and the optional myVAILLANT connect internet gateway for app-based heating control and improved energy management. Key Features Powerful 40kW combi boiler for larger properties Excellent hot-water flow rate of up to 19 litres per minute 94% ErP seasonal heating efficiency A-rated for heating and hot-water performance Smart-home ready with optional myVAILLANT connect gateway Intelligent IoniDETECT combustion monitoring Wide modulation range for efficient operation Intuitive semi-touch control interface Guided commissioning and setup wizard Stainless-steel heat exchanger Refined internal layout for easier servicing Integrated filling loop supplied Compatible with Vaillant’s advanced control range Hydrogen blend ready for up to 20% hydrogen Low NOx emissions Standard 5-year manufacturer guarantee Up to 10 years available through eligible Vaillant installers Hand-built at Vaillant’s Derbyshire manufacturing facility Ideal For The ecoTEC Plus 840 is particularly suited to: Larger family homes Properties with more than one bathroom Households with high hot-water demand Replacement of an existing high-output combi boiler Customers looking for smart heating control Installations where a separate hot-water cylinder is undesirable Technical Specification Specification Details Manufacturer Vaillant Range ecoTEC Plus Model 840 Manufacturer part number 0010036018 Supplier stock code 10086101 EAN 4024074906767 Boiler type Combination boiler Fuel Natural gas Maximum output 40kW Heating output range at 50/30°C 4.5–29.8kW Hot-water flow rate at Δ30°C 19.0 litres per minute Hot-water flow rate at Δ35°C 16.3 litres per minute Hot-water temperature range 35–65°C Seasonal efficiency 94% ErP heating rating A ErP hot-water rating A Sound power level 49dB(A) Minimum operating pressure 0.7 bar Heat exchanger Stainless steel Dimensions H 720 × W 440 × D 386mm Dry weight 41kg Gas connection 15mm Heating flow and return 22mm Hot and cold-water connections 15mm Filling loop Included Hydrogen blend ready Yes, up to 20% LPG compatible No Magnetic filter included No Standard guarantee 5 years Delivery is 6-11 Working Days