A water appliance detection and cut off apparatus is provided including a water entry conduit for receiving water from a water source. A pan is provided having a bottom face and a lip coupled thereto and extending upwardly therefrom for defining an open top and an interior space into which the water appliance is stored. A water ball valve is connected to the water entry conduit. In use, the ball valve has a closed orientation upon at least the instantaneous receipt of an activation signal wherein water is prevented from flowing to the water appliance and an open orientation upon at least the instantaneous receipt of a deactivation signal wherein water is allowed to flow to the water appliance. At least one water sensor is situated within the interior space of the pan and is adapted to generate the activation signal upon the detection of water within the pan, wherein the water sensor is connected to the water ball valve for transmitting the activation signal thereto upon the detection of water thereby precluding water from flowing to the water appliance. A D-flip flop having an input is connected to the water sensors for continuously transmitting the activation signal at an output thereof upon at least the instantaneous receipt thereof until the receipt of the deactivation signal at a clear input thereof. Next provided is an audio alarm connected to the output of the D-flip flop for emitting an audible noise only during the receipt of the activation signal. Finally, a reset switch is connected to the clear input of the D-flip flop and the water ball valve for transmitting a deactivation signal thereto upon the depression thereof for resuming the flow of water to the water appliance.
A new leak collection and supply shut off system for closing off the supply of water and energy to a water heater in the event of a leak. The inventive device is designed for use with a water heater that has a tank, a water inlet pipe, a water outlet pipe, and an energy supply line. The leak collection and supply shut off system comprises a container that is adapted for positioning under a water heater and holding water. The container has a base, a sidewall, and an open top. A water valve closes the water inlet pipe of the water heater when the level of water in the container is equal to or greater than a predetermined level. An energy shut off device closes the energy supply line of the water heater when the level of water in the container is equal to or greater than the predetermined level.
Apparatus for detecting a discharge of water such as a leak in a device containing a relatively large volume of water such as a hot water storage tank having a pressure relief valve and for shutting off the water supply to such device in response to such detection. The apparatus includes a relatively shallow pan located in proximity to the bottom of the device for collecting water discharged from the device either from a leak or from opening of the pressure relief valve, a float switch mounted in the pan for detecting the presence of water in the pan above a predetermined level and a shut off control valve for disabling the water supply to the device upon activation of the float switch.
A water detection system for detecting water and activating an alarm is provided. The water detection system includes an alarm relay and a water sensor. The water sensor includes a solid state switching and amplifying circuit for detecting low levels of current flow and amplifying the signal to activate the alarm relay. In one embodiment, the water detection system further includes an alarm panel, including visual and audible alarms activated by the alarm relay. In one embodiment, the water detection system includes multiple water sensors for providing zone protection. In one embodiment, the alarm relay is configured to shut-down the device causing the presence of water. A method for implementation of the water detection system is also provided.
A water protection system apparatus for detecting and stopping a flow of water which includes a power supply, a water ionization switch, and a controlled valve assembly. The water ionization switch selectively conducts electricity when exposed to water and includes an initially dry non-conductive crystallized compound. The compound ionizes when exposed to water to form an electrolyte which conducts electricity. This switch is connected to a controlled valve assembly to stop the flow of water in response to the detection of water by the switch. Other refinements include modifications to the switch housing and condition indicators for monitoring the system and signaling water detection and shutdown operations.
A water shut-off system incorporates a water shut-off valve utilizing a pair of adjacently disposed electrodes, a transmitter and a receiving means. The water shut-off valve is in the form of a ball valve. A timing logic causes current to flow to a valve driving motor as electric pulses. A cam means and the electric pulses allow control of current flow to the motor so that the ball valve stops moving upon completion of a ninety degree rotation;
