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IPC Subgroup
F24D 5/06

operating without discharge of hot air into the space or area to be heated

Introduced: September 1968

Last revised: January 2006

Full Title

Hot-air central heating systems; Exhaust-gas central heating systems > operating without discharge of hot air into the space or area to be heated

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
HEATING; RANGES; VENTILATING
Subclass:
DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR

2 direct subcodes

Child Classifications

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  • F24D 5/08 with hot air led through radiators
  • F24D 5/1 with hot air led through heat-exchange ducts in the walls, floor, or ceiling