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PCE
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DIFF Subgroup
F24H 1/40

with water tube or tubes

Introduced: September 1968

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

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

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • F24H 1/403 CPC only CPC only
  • F24H 1/406 CPC only CPC only
  • F24H 1/41 in serpentine form since 1980 IPC+CPC Available in IPC and CPC
  • F24H 1/43 helically or spirally coiled since 1980 IPC+CPC Available in IPC and CPC