System and method for utilizing gray water to flush a toilet

A system for utilizing gray water to flush a toilet, the system comprising:

• a potable water source configured to provide potable water to the toilet;
• a gray water tank;
• a sensor positioned within the gray water tank and configured to detect the level of gray water within the gray water tank;
• a gray water pump configured to pump gray water from the gray water tank to the toilet;
• and
• a controller configured to control the position of an electric valve, the electric valve configured to:
• i. control the flow of gray water from the gray water tank to the toilet;
• and
• ii. control the flow of potable water from the potable water source to the toilet.

A system for utilizing gray water to flush a toilet, the system comprising:

• a potable water tank;
• a potable pump configured to pump potable water from the potable water tank to the toilet;
• a gray water tank;
• a sensor positioned within the gray water tank and configured to detect the level of gray water within the gray water tank;
• a gray water pump configured to pump gray water from the gray water tank to the toilet;
• a first controller configured to control the position of at least one electric valve, the at least one electric valve configured to:
• i. control the flow of gray water from the gray water tank to the toilet;
• and
• ii. control the flow of potable water from the potable water source to the toilet;
• a filter interposed between the gray water tank and the toilet;
• and
• a check valve interposed between the gray water pump and the potable pump.