DUAL SENSOR ALARM – LPG & CARBON MONOXIDE WG200 -LC-V Ocean Safety offer a complete range of gas alarm systems for detecting LPG (butane/propane) and carbon monoxide. These systems use modern technology to provide unrivalled protection, the alarm system incorporates a unique waterproof sensor. As an additional safety feature, the push button on the control panel is used to control an electrically operated gas shut-off valve (solenoid valve), which in the event of a gas alarm will automatically close and cut off the flow of gas and prevent a dangerous build up. Please note that solenoid valves are not supplied as part of the Gas Control Systems and need to be purchased separately,