The grant vortex pro condensing indoor combi boiler delivers both heating and hot water for residential installations. Engineered with 36,000w output capacity, this condensing oil boiler features large heat exchangers with low water content and expanded surface area to maximise hot water performance. The sleek white cased design ensures discreet integration into utility room environments, while quiet operation minimises acoustic disruption. Biofuel compatibility accommodates alternative fuel options depending on type and blend percentage. Neon diagnostic indicators provide user-friendly operation and monitoring, while the included 24-litre expansion vessel supports system functionality. Achieving 94.56% Efficiency with class 2 nox emissions, this combi boiler balances performance with environmental compliance. Features & benefits: large heat exchangers with low water content vastly increase hot water performance. Biofuel compatible depending on fuel type and blend percentage. 24-Litre expansion vessel supplied with all models. Neon diagnostic indicators for user-friendly operation and monitoring. Sleek white cased appearance with quiet operation for utility room installations. 94.56% Efficiency rating with class 2 nox emissions compliance. Set output: 36,000w 36kw . Max output: 36,000w 36kw . Dimensions h x w x d : 600 x 614 x 606mm. Weight: 200kg.