The top connection fits to the 3/8″ hot water sink supply hose, the bottom connection fits to the 3/8″ hot water supply valve, and the side connection connects to the 3/8″ end of the hot water metal braided hose. This is an optional accessory which can be purchased to use in conjunction with the optional hot water metal braided hose.

Note: To use this t-adapter, you will also need to purchase a 3/8″ x 1/4″ hose.