UPDATE! All fixed!
It turned out that the gate valve was the culprit. Here of some photos of it in its open position! Amazing that any water at all was finding its way through. Replaced and all is fine now.
Thanks, guys!
Here are the shower pump and valve photos. I am not confident to change the valve myself, so I will need to get someone to do that. I have tried calling another local plumber that I've used before but no reply yet. Thanks for the help!
Thanks for the replies. I will take a photo of the pumps later.
The cold water tanks are massive and have plenty of water in them. I think one tank feeds the cylinder and also the cold feed to one pump. The other tank feeds the cold to the other pump. There is a 3rd tank for the heating.
I...
Hi guys
We have a gravity fed hot water system in our bungalow heated indirectly by an oil boiler.
We have two shower pumps. One pump feeds one bathroom (the shower and bath) and the other pump feeds the other bathroom (the shower, bath and the hot feed to the bidet and sink). Non-pumped hot...