Install at breathing height, roughly 1.5–1.8m from the floor.

Test the system monthly by using the "Test" button on the sensors to ensure the valve closes correctly.

The is an automatic gas control system designed for safety in residential and industrial spaces. It monitors natural gas (CH4) and carbon monoxide (CO) levels. 🛠️ Key Components SZ-1 (CH4) / SZ-2 (CO) Sensors: Detect gas leaks.

Ensure the valve is installed on the gas line with the arrow pointing in the direction of the gas flow. Sensor Height:

Connect the (methane) and SZ-2 (carbon monoxide) sensors to the BSU.

Install near the ceiling (gas is lighter than air).