Auxiliary Water Supply for a Building

An auxiliary water supply system in a building in combination with a portable tank having a pump arranged for pumping water from the portable tank, the system comprising:

• a main supply line arranged to supply the building with water from a public utility;
• an auxiliary connector supported externally on the building and arranged for connection to the pump of the portable tank;
• an auxiliary junction connected in series with the main supply line;
• an auxiliary supply line in communication between the auxiliary connector and the auxiliary junction;
• a main one-way valve connected in series with the main supply line between the public utility and the auxiliary junction and arranged to prevent flow from the auxiliary junction to the public utility;
• an auxiliary one-way valve connected in series with the auxiliary supply line between the auxiliary connector and the auxiliary junction and arranged to prevent flow from the auxiliary junction to the auxiliary connector;
• a drain junction coupled in series with the auxiliary supply line;
• a drain line arranged to connect the drain junction to a sewer;
• and
• a shut-off valve in series with the drain line.

A method of supplying auxiliary water to a building having a main supply line arranged to supply the building with water from a main source, the method comprising:

• providing an auxiliary water source separate from the main source;
• connecting an auxiliary supply line between the auxiliary water source and the building in parallel with the main supply line;
• and
• preventing water being supplied through the main supply line from the main source when supplying water to the building from the auxiliary water source through the auxiliary supply line.