Dumping boiled water down the sink when the pipes are clear is probably okay, but a blockage will trap water in the pipes. This can melt PVC piping and pipe seals and cause serious damage.
Food and how to cook
Food and how to cook
Dumping boiled water down the sink when the pipes are clear is probably okay, but a blockage will trap water in the pipes. This can melt PVC piping and pipe seals and cause serious damage.