All you need for hot water canning is jars, lids, and any pot large enough to hold them submerged under water. It's simpler and easier but only works effectively with high-acid foods. "The Center ...

Place jars and lids in a large stockpot, and cover with hot water ... Place lids onto jars, add canning rings, and finger-tighten. In the bottom of a water bath canner, place a canning rack ...