157816 ⎘
Hot-water central heating systems; Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks Hydraulic components of a central heating system disposition of pipes and pipe connections
Sub-classes:SPACE HEATING SYSTEM
#2CONDUIT MODULE COUPLED WITH HEATING OR COOLING MODULE
#3HYDRONIC EXPANSION TANK ASSEMBLY
#4Conduit module coupled with heating or cooling module
#5Hydronic expansion tank assembly
#6Hydronic expansion tank assembly
#7Sealed box container, main machine of heat recovery switching device, and refrigeration device
#8Method of operating a heating and cooling system
#9One-pipe hydronic heating control device
#10Self-assembly hot water mat
#11Method of operating a heating and cooling system
#12System, apparatus and method for heating homes and other buildings
#13Boiler loop system
#14Method of heating a building
#15Controller for controlling an air conditioning system and radiant heating apparatus in a building
#16BOILER LOOP SYSTEM
#17Air conditioning system, peripheral air-conditioning unit thereof and water pipeline upgrading method for heating purposes
#18Lead Lag Control System for Water Heaters
#19Hot water supply system
#20Operation of a HVAC system using a combined hydronic and forced air system
#21BOILER LOOP SYSTEM
#22Valve package
#23Conduit module coupled with heating or cooling module
#24PRIMARY/SECONDARY LOOP PIPING SYSTEM
#25PRIMARY/SECONDARY PIPING LOOP INTERFACE APPARATUS
#26Near boiler piping apparatus with open drain
#27HEAT ENERGY RECOVERY SYSTEM
#28MIXING AND PUMPING SYSTEM FOR USE WITH INSTALLED HYDRONIC RADIANT FLOOR HEATING SYSTEMS AND THE LIKE
#29MULTI-PASSAGE GUIDE SYSTEM
#30Multi-passage guide system
#31Integrated injection-pumping fixture for transferring heat between higher and lower-temperature loops in a hydronic heating system
#32Hydraulic separator
#33Hydronic apparatus support system