I'm having a new bathroom installed. I hired a plumber to do all the water works. He ran all the lines; he is now waiting on sink and toilet to arrive to finish installation. Since he ran new line, we have noticed that the temperature of the water in our current shower fluctuates randomly. We've noticed the same with the water in the kitchen sink.
Is this a symptom of the new plumbing? Can we expect it to clear up after the new plumbing is completed?