Vaillant • Combi • Gas Fuel
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The Vaillant ecoTEC exclusive 843 VUW 436/5-7 (H-GB) has a 89.6% efficiency rating.
The Vaillant ecoTEC exclusive 843 VUW 436/5-7 (H-GB) is a Combi boiler with a maximum power output of 40.2 - 40.2 (KW) that uses Gas as its fuel source.
This boiler will provide efficient heating and subsequently reduce fuel bills and carbon dioxide emissions. Potential annual savings compared to older boilers: £150-£300.
Why the Vaillant ecoTEC exclusive 843 VUW 436/5-7 (H-GB) is an excellent choice for your home
89.6% efficiency rating for maximum energy savings
Reduce your energy bills by up to £150-£300 annually
Vaillant quality with comprehensive warranty
Built to last with modern condensing technology
Discover other efficient boilers you might be interested in
Use our tools to calculate savings and compare boilers
Calculate your potential annual savings and CO₂ reduction with our free calculator.
Use CalculatorCompare different boiler models side by side to find the perfect match for your home.
Compare NowCheck if you're eligible for a free Vaillant ecoTEC exclusive 843 VUW 436/5-7 (H-GB) boiler through the ECO4 scheme and start saving money on your energy bills.
