Trianco Aztec Classic Plus 12kW 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 vertical design which allows it to fit into small spaces. It is available in many outputs ranging from 2kW to 12kW and supplies enough water to heat a home or underfloor heating. Available in outputs of between 6kw- 10kw and 12kw the Aztec Classic + is a wall-mounted slim design and is specifically aimed at small spaces and can even be sited in a wall cupboard (with ventilation) 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 External temperature control No flue or fuel supply tank required No noxious gases Easy to install 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.