Trianco Aztec Classic Plus 6 Electric Heating Boiler The Trianco Aztec electric heating boiler range is a versatile heating solution. These heating boilers are the perfect option for houses with no gas supply whilst offering 99.9% efficiency. The Aztec Classic is a slim box-shaped design which allows it to fit into small spaces, such as your average household cupboard. It is available in many outputs ranging from 2kW to 12kW and supplies enough water to heat a home or underfloor heating. Aztec Classic Plus:- Aztec Classic + features Slim design State of the art bespoke PCB Fully modulating Triac Technology Can be installed almost anywhere Outputs up to12kW No flue or fuel supply tank required No noxious gases Virtually maintenance free 99.8% efficient Digital display Built-in timer for Heat only installs Self diagnostic checking Soft switching to preserve element life and prevent interference Resettable thermal safety cut-out Compatible with solar power Comprehensive 2 year guarantee, extendable through the Trianco product registration system.