Kids had complained that the hot & cold water control handles don't work correctly and it can be hard to control the temperature. R investigated during December 2022 visit and found they spin freely way beyond the fully open position. They stop firmly when shutting off. R took them apart and nothing is obviously broken, but both handles just keep turning instead of reaching a stop when the valve is fully open. Looked online and it seems it might be feasible to replace a cartridge. Talked with plumber during the February 2023 visit. He said we could replace a cartridge, but advised against it because with that particular design, it would just break again very soon. To fix the problem, we would have to install a new kind of valve control, which would require opening up the drywall in the twin bedroom. No guests have complained about it, so we don't feel any urgency to replace it in the near term, but we should put it on a list of things to consider doing during the off-seaso...