158592 ⎘
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters; Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
Sub-classes:Hybrid condensing boiler with preheater
#2Burner with adjustable end cap and method of operating same
#3Boiler system
#4Method for low NOx fire tube boiler
#5Systems and methods for controlling gas powered appliances
#6Co-fired absorption system generator
#7Water heating system with oxygen sensor
#8CORE BOX WITH AIR VENTS INTEGRATED IN PINS
#9RAPID HEATING WATER STORAGE WATER HEATER STRUCTURE
#10METHOD FOR HEATING LIQUID HEAT CARRIER AND A DEVICE FOR CARRYING OUT SAID METHOD
#11Heat exchanger element with a combustion chamber for a low CO and NOx emission combustor
#12METALLIC POROUS BODY INCORPORATED BY CASTING INTO A HEAT EXCHANGER
#13High efficiency water heater
#14Energy saving stove water heater
#15High efficiency wood or biomass boiler
#16Water heater of endorsement with ionized ignition and electronic control of temperature, for solar heaters of the type thermosiphon
#17Automatically controlled outdoor pelletized bio-fuel-burning hydronic heater
#18High efficiency water heater
#19Heat exchange element and heating system provided with such heat exchange element
#20High efficiency tank type continuous flow and self cleaning water heater
#21Boiler
#22Heating arrangement
#23Baffle for sealed combustion chamber