Absolutely agree. My preparation for any work that I undertake would naturally include isolating the components that I'm working on; in this case I was most concerned with stopping the leak first as it was running underneath the floorboards.
My concern here is what happens if the shower is...
A word of warning about these pumps that I think needs to be spread to prevent serious consequences:
I had a leaky fitting on the shower mixer so I isolated the water supply to the pump by closing the gate valves. One gate valve evidently didn't perfectly seal off the supply and let a small...
