Whats the brand and model of your toilet.
Can i connect washing machine to hot water supply. Should a washing machine be connected to hot water. The washing machinedishwasher will come with flexible hose or hoses with screw connections at each end for connecting the machine to the water supply 34 inch BSP. It beggars belief that a plumber would connect to the hot water.
Regarding this Do you connect a washing machine to hot or cold water. Facing the back of the washer connect the hot water hose to the right port on the washer. Your hot water supply can be used for the dishwasher if the dishwasher manufacturer says its OK to connect it to a hot supply and the hot water temperature.
Most new washing machines are cold fill only so there is no need for a hot valve so what the OP is likely to see is a blue lever. It will just take a bit longer for them to. If your machine is supplied from the pipe that feeds your kitchen tap the water will be at mains pressure.
So it will still work ok but it will shrink certain clothes im afraid. You could use a hose wye with shut-offs on both hot and cold. If you want to connect up a washing machine that uses hot and cold water and therefore has a hot cold fill valve but you only have a cold water supply available you can use a Y Piece connector to connect it up to a single cold water tap.
Is it OK to connect hot water to washing machine. But I can also see the benefits of not having one. We do not recommend connecting washing machines to a hot water line.
How long has this been going on with your Kohler toilet. We do not recommend connecting washing machines to a hot water line. All he needed to do is run the hot tap for a few seconds to see which pipe got hot then connect.