DIFF Subgroup
F24H 1/41 in serpentine form
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
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 tube or tubes > in serpentine form
CPC:
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters (steam boilers F22B) > Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating > with water tube or tubes > in serpentine form
No child classifications to compare. This is a leaf node in both IPC and CPC.