4046001 Central heating plant, waste wood and straw (solid biofuel) 4046002 Central heating plant, oil (diesel) fired 4046003 Central heating plant, gas fired 4046004 Central heating plant, warm air 4046005 Central heating plant, steam and hot water 4046006 Central heating plant, superheated water 4046008 Central heating plant, heat pump 4046010 Central heating plant, district 4046013 Central heating plant, industrial, radiant tube, gas fired 4046014 Central heating plant, industrial, gas fired radiant panels 4046015 Central heating plant, industrial, radiant, electric 4046016 Central heating plant, radiant strips, non-electric 4046018 Central heating plant, ceiling 4046019 Underfloor heating systems, warm water 4046020 Underfloor heating systems, electric, domestic 4046021 Water heaters, indirect fired, industrial, gas 4046022 Water heaters for district heating installations 4046023 Water heaters, industrial, steam injection 4046024 Air heaters, solid fuel 4046025 Air heaters, oil fired 4046026 Air heaters, gas fired 4046027 Air heaters, water or steam heated 4046028 Air heaters, waste heat 4046029 Air heaters, electric 4046030 Air heaters, industrial, multi-fuel 4046031 Air heaters, direct fired 4046032 Air heaters, indirect fired 4046035 Hot air generators, oil fired 4046036 Hot air generators, gas fired 4046037 Hot air generators, portable 4046038 Hot air generators, biomass fuelled 4046039 Hot gas generators, fluidised bed 4046040 Heating plant, under-soil, football pitch 4046041 Heating plant, electric, swimming pool 4046045 Substations for district heating plant 4046054 Central heating plant, complete, domestic 4046055 Central heating plant, complete, industrial
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