Intermittent NO flow from Milano thermostatic mixer shower

[Reddwarf4ever]

Can’t afford that, only had this pump a few months.....will remove the NRVs & hope for the best....

 

[Reddwarf4ever]

The header tank water level is approx2m - 2.5m above the shower head. Is it easy to determine the head pressure ? And is head pressure gain linear ? Wonder how much I would need to raise my loft tank to make a difference. Hopefully wouldn’t need much, as sometimes it works, thanks

 

[ShaunCorbs]

About 0.2 bar

10m is 1 bar

 

[Reddwarf4ever]

Thanks, I wonder how much benefit I would get by removing the internal NRVs ???
if not enough could raise the left tank a metre.... hopefully would be enough as it’s an intermittent problem.

 

[ShaunCorbs]

You might get just enough but you could have a cross normally held in with cir clip

 

[Reddwarf4ever]

Sorry don’t understand this “but you could have a cross normally held in with cir clip”

 

[ShaunCorbs]

You could have a cross circulation if you have an imbalance of pressure one could back flow through

the check valves are easy enough to remove there normally in the nuts that’s connect onto the pipework