Social Bookmarking SEO - Optic Sensor - Best Smoke Detectors http://www.socialbookmarkingseo.xyz/News/optic-sensor-best-smoke-detectors/ A sensor without the plate is for below the metering motor. These optic sensor or smoke detectors generally only needs replacing if the connection to the brown/black/white wires gets accidentally broken. Wed, 27 Jun 2018 08:45:33 UTC en <![CDATA[Comment #5]]> http://www.socialbookmarkingseo.xyz/News/optic-sensor-best-smoke-detectors/#c5 Sun, 01 Jul 2018 09:59:16 UTC Satarupa05 0 5