Gasoline & Propane Sensor OnlyThis sensor is a replacement for Fireboy-Xintex P systems. Installation:The sensor should be located by the propane-powered appliance, near the floorAvoid areas where damage may take place due to cleaning, mopping, kicking, or other physical damageHarsh chemicals should not be used to clean sensorsUse the appropriate #8 mounting hardware to mount the Propane Fume Sensor in the desired locationThe rubber gasket should be installed between the sensor and the mounting surfaceConnect to the extension cable using the attached quick-disconnect connectors (Sold Separately)