Complete technical details and performance specifications for the Viessmann Vitodens 343F
A J Wells and Sons
A O Smith
ACV
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i-mini
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The Viessmann Vitodens 343F delivers exceptional performance with a 89.4% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Combi boiler provides 11.8 - 11.8 (KW) of reliable heating power using Gas fuel for optimal performance.
Potential annual savings of £150-£300 compared to older, less efficient boilers, while reducing your carbon footprint.
Discover why the Viessmann Vitodens 343F is the perfect heating solution for your home
89.4% efficiency rating delivers maximum energy savings and optimal performance
Save £150-£300 annually on energy bills compared to older, less efficient boilers
Trusted Viessmann engineering with comprehensive warranty coverage
Built to last with modern condensing technology and premium components
Discover other high-efficiency boilers that might be perfect for your home
Advanced tools designed specifically for the Viessmann Vitodens 343F to help you make informed decisions
Calculate specific savings with the Viessmann Vitodens 343F, including CO₂ reduction and payback period analysis.
Compare the Viessmann Vitodens 343F against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Viessmann Vitodens 343F replacement through the government ECO4 scheme.
The Viessmann Vitodens 343F with its 89.4% efficiency rating is available at no cost through the government ECO4 scheme. Professional installation included with potential savings of £150-£300 annually.
✓ Government Approved ECO4 ✓ Viessmann Authorized ✓ 89.4% Efficiency Rated ✓ Professional Installation
