to begin using the sink 39 s hot water supply b fig1 through tee connector g fig1 to fill the toilet 39 s tank c fig1 the diverter mechanism f fig1 is engaged by extending controller e fig1 from its rest position f fig3 to its engaged position b fig3 when the controller is extended it pulls cable c fig 3 which is cable g fig2 which opens sink hot water supply b fig2 and closes toilet cold water supply a fig2 by closing ball value f fig2 and opening ball value e fig2 this diverts the latent cold water in the sink hot water supply line b fig1 to the toilet tank c fig1 through the inlet of the toilet tank c fig2 diverting that water permits hot water to be received sooner than normal at sink d fig1 the invention also prevents the user from flushing the toilet a second time without disengaging the invention thus preventing the inadvertent waste of hot water at the toilets next use the extended controller e fig1 traveled through key e fig3 which is part of bracket d fig3 that is attached to the toilet tank c fig1 in such a way that the toilet handle must remain in its rest position a fig3 it traveled from the rest position a fig4 to engaged and locked position b fig4 of key e fig3 when the user attempts to flush the toilet next its handle a fig3 is physically blocked from moving to its engaged position g fig3 by the.