SHOWER POWER BOOSTER STARVED OF WATER

A ShowerPowerBooster will pump water as long as there is enough water to pump.
I discuss this in my help video (see link below)
showerpowerbooster.co.uk/blog...

[@ttscea]

I have this exact problem however the pump does this immediately I turn on a hot water tap anywhere in the house. There is no 6-10 seconds of normal flow. I changed the valve between the cold water tank and the hot water cylinder but didnt improve anything. Am assuming I have a blockage of some sort AFTER the pump. If I backwash the cold water into the hot system for a few seconds (to remove airlocks) then everything runs ok for about a minute and then the pulsing happens again.

[@alandwright2]

I wrote this comprehensive blog on how to solve the problem (please click on link). There are lots of different reasons and therefore lots of different solutions. showerpowerbooster.co.uk/blog/shower-power-booster-starved-of-water/

[@makavelimotorsport6165]

What was the cause of the starvation?

[@alandwright2]

On my site survey on the 19th of March I found a poorly covered cold water tank was letting sand from the inside of the loft roof fall onto the lid and then into the tank. Sand on the bottom of the cold water tank found its way through the 22mm pipe connecting the cold tank to the bottom of the to the hot water cylinder where it piled up and reduced the flow.