Abstract: A hot water faucet locking device comprising: an outer shell having an inboard region and an outboard region, the inboard region formed in a planar configuration with an inner surface and an outer surface, the inner surface including a cylindrical shaped bore, the outboard region being formed in a generally rectangular configuration with an inner surface and an outer surface, the inner surface including a generally rectangular shaped bore; and an insert including an inboard region and an outboard region, the insert having an upper surface and a lower surface, the upper surface following the contour of the bore in the shell and adapted to be affixed therein, the lower surface including a cylindrical shaped hollow projection extending therefrom, the projection having a cylindrical central portion adapted to fit snugly upon a water faucet in the operative orientation.