{"product_id":"system-sensor-4wt-b-i3-series-4-wire-photoelectric-smoke-and-heat-detector-135-f-fixed-temperature-white","title":"System Sensor 4WT-B i3 Series 4-Wire Photoelectric Smoke and Heat Detector, 135°F Fixed Temperature, White","description":"The 4WT-B is a 4-wire photoelectric smoke detector with a 135°F fixed-temperature thermal sensor. Its plug-in design supports straightforward installation: pre-wire the included mounting base, route wiring through the large entry port, then attach the detector with the Stop-Drop ’N Lock connection.\u003cbr\u003e\u003cbr\u003eDrift compensation and smoothing algorithms help reduce nuisance alarms, while built-in remote maintenance signaling supports service checks. The removable cover and chamber simplify access, and sensitivity can be measured with a compatible wireless reader.\u003cbr\u003e\u003cbr\u003eIncludes:\u003cbr\u003e• 4-wire plug-in smoke detector\u003cbr\u003e• Mounting base\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e• Large wire-entry port and in-line terminals with SEMS screws\u003cbr\u003e• Mounts to octagonal, single-gang, or 4-square back boxes, or directly to the ceiling\u003cbr\u003e• Fixed 135°F thermal sensor\u003cbr\u003e• Built-in remote maintenance signaling\u003cbr\u003e• Drift compensation and smoothing algorithms\u003cbr\u003e• Simplified sensitivity measurement","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":68544265421021,"sku":"Kaybee- 4WT-B","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/4WT-B-1.jpg?v=1794588088","url":"https:\/\/kaybeesecurity.com\/products\/system-sensor-4wt-b-i3-series-4-wire-photoelectric-smoke-and-heat-detector-135-f-fixed-temperature-white","provider":"Kaybee Security","version":"1.0","type":"link"}