158608 ⎘
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 combinations of two or more of the types covered by groups - , e.g. boilers having a combination of features covered by -
Sub-classes:HEATING DEVICES AND SYSTEMS
#2BOILER FOR MAKING HOT WATER AND ROOM HEATING WATER AVAILABLE SIMULTANEOUSLY
#3ARTIFICIAL LOG ASSEMBLY
#4Artificial log assembly
#5Boiler with heating blower
#6Heat exchanger and hot water apparatus
#7Tubular heat exchanger
#8Water heater
#9Water supply system that is selectively supplied with heated water
#10Heating device and method for operating a heating device
#11Heat exchanger
#12Heat exchanger
#13Heat exchanger
#14Heat exchanger
#15Heat exchanger
#16Heat exchanger
#17Heat exchanger
#18Heat source apparatus
#19Heat Exchanger, Heating Device, Heating System and Method for Heating Water
#20Water heater having a down fired combustion assembly
#21Combined gas-water tube hybrid heat exchanger
#22Portable water heating module
#23Gas hot water heating device and system
#24SYSTEM AND METHOD FOR HEATING FLUIDS, AND AN ADAPTER FOR USE WITH A BOILER
#25Coil tube heat exchanger for a tankless hot water system
#26Coil tube heat exchanger for a tankless hot water system
#27RAPID HEATING WATER STORAGE WATER HEATER STRUCTURE
#28Coil tube heat exchanger for a tankless hot water system
#29Low maintenance fluid heater and method of firing same
#30High efficiency water heater
#31Boiler
#32Automatically controlled outdoor pelletized bio-fuel-burning hydronic heater
#33Low maintenance fluid heater and method of firing same
#34High efficiency water heater
#35Tank-tankless water heater
#36High efficiency tank type continuous flow and self cleaning water heater