Problem with shower pump

[Chris Eley]

I have a customer with a shower pump feeding the downstairs bathroom, kitchen hot and a hot tap and mono tap upstairs but downstairs works fine but the pump won’t feed the upstairs supplies, any ideas of a fix? The upstairs will work as long as something is open downstairs to get the pump running

 

[Ben-gee]

Upstairs does not have enough flow to kick the pump in - maybe partially blocked inlets filters on the pump.

Or a distorted cage on the float switch restricting the ball from coming up.

Or if a negative head pump, the vessel may have lost its charge.

 

[SimonG]

Or wrong pump....................

 

[Ben-gee]

Or wrong pump....................

Could be. I read it as it used to work but now doesn’t, however if it never worked then it is almost certainly time to replace it with a negative head pump.