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Ama-Drainer-Box;Ama-Drainer-Box Mini

Ama-Drainer-Box;Ama-Drainer-Box Mini

Stable above-floor plastic collecting tank or impact-resistant underfloor plastic collecting tank, with floor drain and odour trap, both with Ama-Drainer submersible motor pump starting and stopping automatically and swing check valve
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Main Applications

  • Automatic drainage of buildings and premises below the flood level
  • Single-pump units Box 1 U / Box 1 B:
  • Automatic disposal of domestic waste water from washing machines, washbasins, sinks, showers or bathtubs
  • Disposal of highly contaminated, fibre-containing water from industrial applications, e.g. laundries, common washing facilities, washing machines and dish washers (also hot water cycle)
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Technical Data

  • Max. flow rate46 m3/h
  • Max. head24 m
  • Max. allowed fluid temperature40 °C


  • Reliable single-pump unit and dual-pump unit for underfloor or above-floor installation for all pumps of the Ama-Drainer type series, covering all applications.
  • Underfloor box U:
  • Floor drain with siphon trap integrated in the cover plate

Characteristic curves

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TitleFormatSizeLast change
Declaration of performance Ama-Drainer-Box (2336.8581-1_EN)PDF0.134/19/2021
TitleFormatSizeLast change
Ama-Drainer-Box (2336.81_EN)PDF9.534/19/2021
Ama-Drainer-Box Mini (2336.83_EN)PDF5.234/19/2021
AS5 (2317.8233_EN)PDF1.434/19/2021
TitleFormatSizeLast change
Ama-Drainer-Box (2336.51_EN)PDF6.864/19/2021
Ama-Drainer-Box Mini (2336.52_EN)PDF3.085/6/2021
TitleFormatSizeLast change

Technical Data

  • Connection typePipe/hose connection
  • Drive conceptWith electric actuator
  • Max. flow rate46 m3/h
  • Min. flow rate0.1 m3/h
  • Max. head24 m
  • Min. head1 m
  • Mains frequency50 Hz
  • Mains voltage230 V, 400 V
  • Casing materialPOLYPROPYLENE
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature40 °C
  • Min. allowed fluid temperature0 °C

KSB - one of the world's leading manufacturers of industrial valves and pumps

Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

As an experienced pump manufacturer, its product portfolio includes building and industrial technology, water transport, wastewater treatment and power plant processes. Thanks to innovative research and development, KSB can meet the most diverse requirements of customers. Benefit from many years of experience and technical expertise as a renowned pump manufacturer.

KSB pump manufacturers: the best solution for your plant
Industrial pumps and valves from KSB cover a wide range of applications and are highly energy-efficient. Products convince with the most innovative technology as well as with systems that have been tried and tested for many years - including the Etanorm water pump. Achieving more than 1.5 million sales worldwide, Etanorm is the most successful standard water pump. With KSB spare parts and services.

KSB ensures the operational reliability of its industrial pumps and valves. The KSB success formula for high-performance pumps lies in the technological strength in hydraulics, materials and automation.

Competent service right from the start
The numerous production facilities ensure that KSB as a pump manufacturer can guarantee customer proximity and first-class service. The experienced specialists are certified to ensure excellent quality and extensive experience. KSB Service takes care of the commissioning, inspection, servicing and maintenance of your pumps, valves and complete systems directly on site.  KSB also provide you with spare parts quickly. This means you get the best service directly from your pump manufacturer.