Complete technical details and performance specifications for the Grant Combi Max
A J Wells and Sons
A O Smith
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The Grant Combi Max delivers exceptional performance with a 82.2% efficiency rating, making it one of the most energy-efficient heating solutions available.
This Combi boiler provides 33.3 - 33.3 (KW) of reliable heating power using Oil fuel for optimal performance.
Potential annual savings of £100-£250 compared to older, less efficient boilers, while reducing your carbon footprint.
Discover why the Grant Combi Max is the perfect heating solution for your home
82.2% efficiency rating delivers maximum energy savings and optimal performance
Save £100-£250 annually on energy bills compared to older, less efficient boilers
Trusted Grant 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 Grant Combi Max to help you make informed decisions
Calculate specific savings with the Grant Combi Max, including CO₂ reduction and payback period analysis.
Compare the Grant Combi Max against other boiler models with detailed specifications and performance metrics.
Check if you qualify for a free Grant Combi Max replacement through the government ECO4 scheme.
The Grant Combi Max with its 82.2% efficiency rating is available at no cost through the government ECO4 scheme. Professional installation included with potential savings of £100-£250 annually.
✓ Government Approved ECO4 ✓ Grant Authorized ✓ 82.2% Efficiency Rated ✓ Professional Installation
