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You can adjust pump speed and pump over run on that pump. Bet neither was done on installation.
Its
I think you are right though probably its because when the bathroom fitters completed their work a separate company was coming the next day to fit the floor and the electrician the day after to do the electrics so the fitters never saw the job finished and never checked it worked or showed him how to use the shower etc. Which all seems a bit odd really that a company which fits bathrooms can't do their own floors and electrics despite a team of at least 3 people working at the property. They also took his curtain rail down to paint and put it back upside down so it doesn't work and neither does his bathroom cabinet! And this is a specialised company for mobility bathrooms! and the job cost 8K.

Feels a bit wrong moaning as it was done on a disability grant arranged by the council but this company got paid well to do a job and didn't attend to the detail and left a 90 year old to sort it out. I imagine they should of arranged to come back and calibrate it after the electrician had been or is that the electricians job? Any way it turns out the council are sending their surveyor out tomorrow to come and check up on the job which is great as I am not 100% certain that isn't just turning the power down really low to avoid it flooding and not really having a proper shower.
 
Not sure you can adjust speed on the old model, on the newer digital ones it's called calibration
Its an AKW Mk II and it does mention calibration in the instruction leaflet which I turned to during the flooding but states only a competent technician should touch it so I left well alone.


Thanks everyone for all your interest and helpful advice.
 
??????? thought you said he fixed the flooding issue by changing a pump setting?

er is that something different then sorry didn't mean to confuse anyone was just answering the later replies which I had only just seen. Yes I see what you mean - as far as I know he took a flat plastic plate of the bottom of the wall did something and no more flooding so yeah pump setting. The calibration bit is inside the shower itself and i'm guessing no one has touched that though I may be wrong. Its just my FIL keeps saying its fine now that he adjusts the power when showering so there is less water which seems odd that he should have to do that but it might just be his fear of it flooding again.
 
er is that something different then sorry didn't mean to confuse anyone was just answering the later replies which I had only just seen. Yes I see what you mean - as far as I know he took a flat plastic plate of the bottom of the wall did something and no more flooding so yeah pump setting. The calibration bit is inside the shower itself and i'm guessing no one has touched that though I may be wrong. Its just my FIL keeps saying its fine now that he adjusts the power when showering so there is less water which seems odd that he should have to do that but it might just be his fear of it flooding again.

atl flex shower?

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Any way it turns out the council are sending their surveyor out tomorrow to come and check up on the job which is great as I am not 100% certain that isn't just turning the power down really low to avoid it flooding and not really having a proper shower.

The drain capacity needs to be at least sufficient to handle the full output from the shower when it is on maximum flow and should have been sized/adjusted to leave a safety factor to ensure that flooding can never occur regardless of the settings on the shower.
 
The drain capacity needs to be at least sufficient to handle the full output from the shower when it is on maximum flow and should have been sized/adjusted to leave a safety factor to ensure that flooding can never occur regardless of the settings on the shower.
That's useful thanks I will check it out tomorrow before the surveyor arrives
 

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