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PCE
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DIFF Subgroup
F24H 15/40

characterised by the type of controllers

Introduced: January 2022

Full Title

Control of fluid heaters > characterised by the type of controllers

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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  • F24H 15/407 using electrical switching, e.g. TRIAC since 2022 IPC+CPC Available in IPC and CPC
  • F24H 15/486 using timers since 2022 IPC+CPC Available in IPC and CPC
  • F24H 15/493 specially adapted for enabling recognition of parts newly installed in the fluid heating system, e.g. for retrofitting or for repairing by replacing parts since 2022 IPC+CPC Available in IPC and CPC