Shower Pump help, could a pump stop working properly if the wrong hose was fitted?

[propertyvirgin]

It is not working then if your lucky it kicks in..DH is adamant this happened when our normal hose leaked and then we got a new slimmer hose. However also our water tank in attic looks low, one is fine one is low./

"one is fine one is low"

What are the dimensions of the low one?

How clean is it inside?

And the other?

A pipe of wide diameter carries a greater water flow than a pipe of narrow diameter. Flow is not the same as pressure.

You can can hear the pump kicking in after the while but it does it less and less. Dh think s the slightly narrower hose for shower has affected pump. Not sure about tank, a man camel to do something else and noticed one tanks was very low

it is correct for the small tank (feed and expansion) to be only a couple of inches above the outlet pipe near the bottom.

The large tank, which feeds your HW cylinder, should be full to a few inches below the overflow pipe near the top.

If the man-camel was a plumber, he should have known the difference, if he was a roofer, perhaps not.

post a photo of the pipe you have in mind. Put a 50p coin in the photo, or a measure, to show scale.

Red herring, Manchester came to look at something un relating in our attic and I thought I just mentioned tank in case. Am fighting what must be worlds worst predictions text here.