Patent ID: 11920830
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 0:
1. A method of cleaning and draining a hot water heater that comprises a tank with an interior space defined at its bottom end by a bottom surface, the tank holding water in the interior space and a sediment bed at the bottom of the interior space, a cold water port adapted to connect to a cold water inlet to deliver cold water into the interior space, a hot water port adapted to connect to a hot water outlet to deliver hot water out from the interior space to a user, and a heat source for heating the water in the interior space;, wherein the method comprises providing a tool comprising:, a dip-tube that is installed in the tank, when the hot water outlet is disconnected from the hot water port, by being inserted through the hot water port to extend down through the interior space to within one inch of the bottom surface;, a fitting system connected to the hot water port and connecting the dip-tube to a hose;, wherein the hose extends from the fitting system along an outer side of the tank, and a bottom end of the hose is placed at a bottom end level outside the hot water heater that is lower than said bottom surface; and, the method further comprising:, adding cold water to the tank through the cold water inlet to pressurize the tank, wherein pressurizing the tank primes the tool by the forcing water and sediment to flow up the dip-tube, through the fitting system, through the garden hose to the bottom end level for draining to a drain or container; and, closing and disconnecting the cold water inlet from the cold water port to vent the tank to the atmosphere, whereby water and sediment continue flowing, by siphon action, up the dip-tube, through the fitting system, through the garden hose to the bottom end level for draining to a drain or container, to drain and clean the tank.