header tank

English

Noun

header tank (plural header tanks)

  1. A reservoir or tank that maintains a gravity feed or a static fluid pressure; a raised tank of water maintaining pressure in a plumbing system.
    Synonym: header
    • 1958 July, “German Railbuses for British Railways”, in Railway Magazine, page 501:
      The header tank for the cooling water, the engine air inlet and filter, fire extinguisher and tool and medical cupboard are located in one luggage compartment, through which the exhaust pipe also passes.

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