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BWT BESTHEAD - FLEX Quick Change Universal Filter Head

BWT besthead FLEX Quick Change Universal Filter Head

  • Filter head with innovative FLEX connector technology
  • Fits all BWT water+more filter cartridges
  • With integrated venting valve
  • For installation anywhere, particularly where space is tight


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Spring Cleaning Sale CA$160.65

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Market price: CA$189.00

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With BWT besthead FLEX, the filter head with the world's most flexible connector technology, installing the filter is really easy, even where space is tight. 

What's new with the besthead Flex?

The new Flex Head has an integrated Flush Valve to prime the cartridges by running water thru the head or purging any air that may be in the system. The head also features a locking mechanism to prevent accidental tampering.

Its innovative FLEX technology with its configured angle adjustment in 30° increments allows for the best possible orientation of the connector hoses, even where space is at a premium. It saves on space, whilst ensuring maximum safety. 

The angled fittings are male 3/8" BSP threads (British standard pipe thread). We have converter fittings, adapters and braided hoses that convert from BSP to north American fittings.

Thanks to the direct connection of FLEX insert components to the filter head, there is no need for additional double nipples or compression joints. 

When installing the product, you can use a wide variety of connectors and prefabricated hoses to connect to the raw water and to the consumer unit. It comes with wall attachment brackets.

Without exception, they are all equipped with FLEX insert connectors and are inserted directly into the unique interface on the filter head, where they are securely held by a clip that can be released without needing a tool. 

Trusted Features

Non-return valves in the filter head on the feed and outflow prevent water from flowing back into the filter cartridge or into the mains system. 

Both the BWT besthead FLEX filter head and all components with FLEX insert connectors are manufactured in food-safe materials and can be used worldwide on all drinking water systems.


When installing accessories such as the Aqua-Meter or the Pressure Reduce, we recommend to order the straight Flex fitting connectors otherwise the accessories may not fit properly. Especially if cartridges larger then size S are used, it gets tight.

  • Cartridges should be operated in a vertical position.

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