Question: how tub spout diverter works?
Answer: How Does a Tub Diverter Valve Work? Basically, the main water pipe running to the bathroom starts at the tub faucet and then runs vertically to connect the same waterway to the showerhead above the faucet. ... The valve turns within the pipes, blocking off the tub faucet, forcing the water upward to the showerhead instead.