Complete technical details and performance specifications for the Boulter Centurion 3.5
A J Wells and Sons
A O Smith
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The Boulter Centurion 3.5 delivers exceptional performance with a 77.0% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Combi boiler provides 22 - 22 (KW) of reliable heating power using Gas fuel for optimal performance.
Potential annual savings of £50-£200 compared to older, less efficient boilers, while reducing your carbon footprint.
Discover why the Boulter Centurion 3.5 is the perfect heating solution for your home
77.0% efficiency rating delivers maximum energy savings and optimal performance
Save £50-£200 annually on energy bills compared to older, less efficient boilers
Trusted Boulter 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 Boulter Centurion 3.5 to help you make informed decisions
Calculate specific savings with the Boulter Centurion 3.5, including CO₂ reduction and payback period analysis.
Compare the Boulter Centurion 3.5 against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Boulter Centurion 3.5 replacement through the government ECO4 scheme.
The Boulter Centurion 3.5 with its 77.0% efficiency rating is available at no cost through the government ECO4 scheme. Professional installation included with potential savings of £50-£200 annually.
✓ Government Approved ECO4 ✓ Boulter Authorized ✓ 77.0% Efficiency Rated ✓ Professional Installation
