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this not a repairable item, replace it and don't look back.

Plumbing | Answered Yesterday


Likely needs both cartridges replaced. Appears to be a F8FA0000BNV but you will need to verify. See parts list at link...
https://images.homedepot-static.com/catalog/pdfimages/99/997dcb3f-f71b-43da-82f3-6dd3214f9b08.pdf

Unless you mean the spray head is slow to turn off, then replace the spray head.

Plumbing | Answered Yesterday


https://spares.hansgrohe.com/etk/INT/product/04076000/8809627168611.seam?fsid=0x000077210000704100006F91&lang=en_GB&wcms=INT
https://assets.hansgrohe.com/mam/celum/celum_assets/16__hruh0765_pdf.pdf?5&_ga=2.43849249.583112013.1552939079-215678084.1552939079


The faucet is rated at 6.7L/minute (<2 gal/m) and I would expect that's a design of the cartridge. You could measure flow with spray head attached, then remove head (see link) and measure again to see how much the head reduces rate of flow. You could try removing the check valve(s) but not sure if that will work as it may leak.


product features · consists of: single lever kitchen mixer · swivel range 150° · with telescopic function (330 - 500 mm) · normal and spray jet · lockable shower spray, spray returns through pressing spray diverter · quick connect shower hose · flow rate 6.7 l/min · ceramic cartridge · connection type: G ? compression · integrated non-return valve · suitable for continuous flow water heaters

Hansgrohe... | Answered 2 days ago


To modify the pressure:

· Start the pump.

· If the SET LED blinks, hold key + down until the SET LED

remains on.
· Then press keys + or - to modify the pressure value

Plumbing | Answered on Mar 16, 2019


The val(v)e goes under the plywood

Plumbing | Answered on Mar 15, 2019


7. What Is An Electronic Flow Control (Smart Head) It is an electronic device that controls the start and stop of an electric pump. The smart head senses when there is a drop in pressure or when water stops flowing when you open and close a tap. If there is no water in the system the smart head also senses this and would not let the pump run dry, thus protecting the motor. For this reason a float switch is not required.

Plumbing | Answered on Mar 14, 2019

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