The power box is a Nema approved box, which contains a cable for a wall outlet 115V AC, a cable for connection to the gas valve, and a white signal cable for connection to the electronic monitor unit. It also contains a printed circuit board, transformer and integrated circuit.
NATURAL GAS VALVE
The highest quality natural gas valve is a device that controls gas supply to the gas stove. The natural gas valve is CSA us, UL Listed, FM Approved. It is a 1/2" solenoid valve designed for fuel gas service. Valve bodies are made of rugged aluminum with trim and internal parts made of steel and stainless steel. These valves are provided with a general purpose juntion box solenoid enclosure. Made in the USA.
EMU - ELECTRONIC MONITORING UNIT
Stove Guard's EMU is preset at the factory to the highest fire safety setting of 1 minute. This is the recommended setting for anyone with Alzheimers or similiar medical condition. This time may be adjusted according to the user's situation.
When properly installed, adjusted, and set in AUTO mode, Stove Guard will automatically shut the Natural gas stove off if no one is present in the monitored cooking area for the preset period of time.
Stove Guard can also be used in a TIMER mode to set a maximum cooking time, after which the gas stove will be automatically turned OFF.
NATURAL GAS SENSOR
The added natural gas sensor will turn off the main gas valve if it senses an unsafe level of gas in the kitchen. This could be caused by a gas leak or an element flame that has gone out allowing the gas to continue to escape into the room causing the potential of a serious explosion or fire.
INSTALLING THE NATURAL GAS STOVE GUARD
Must be installed by a licenced professional. Failure to use a professional to install this model will result in possible loss of life, warranty & property insurance.
Detailed installation instructions are included in the package.
Important Personal Safeguards
Stove Guard must be tested with the Individual who requires this device and adjusted to their personal needs, as well as adjusted to the home environment to ensure proper functioning. Additional fire safety devices such as smoke detectors and fire extinguishers must also be used to ensure complete cooking fire safety.
This shows a typical Natural Gas Stove Guard installation in a customers home.

Stove pulled away from the wall, Asco Valve installed and Power Box mounted on wall

Close Up of Power Box mounted on the wall

Asco Valve mounted on stove

Natural Gas Range and Proper EMU Installation
What's Included (Unpacking Checklist)
- Power Box
- Gas Valve (Asco Valve Specifications .pdf)
- EMU (Electronic Monitoring Unit)
- Mounting screws
- Instruction manual

Electronic Monitoring Unit for Gas Stove Guard

Asco Valve and Gas Power Box
Conforms to UL 464 and Certified to CSA C22.1 No. 205
