{"product_id":"knox-fdc-lock-2-1-2-male-nh-nst-locking-cap","title":"Knox Box FDC Lock  2 1\/2\" NH\/NST Male Locking Cap","description":"\u003cdiv\u003e\u003cem style=\"color: rgb(230, 0, 0);\"\u003e The 3110 model with 2½\" NH threads (7.5 TPI x 3.068 OD) is the most widely used configuration — however, thread patterns and sizes vary by jurisdiction, so always verify the correct specifications with your local fire department before ordering.\u003c\/em\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high-pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 2 1\/2\" configuration and is operated with a Knox FDC wrench controlled by the Fire Department.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eProtect Your Building's Lifeline to Fire Prevention\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eEnsures ready and reliable connections to fire sprinkler systems\u003c\/li\u003e\n\u003cli\u003eProtects check valves from freezing in cold climate areas\u003c\/li\u003e\n\u003cli\u003eEliminates costly services to back flush the pipes due to debris\u003c\/li\u003e\n\u003cli\u003eStainless steel body built to endure extreme weather, year after year\u003c\/li\u003e\n\u003cli\u003eAvailable in standard National Hose Thread (NH) and additional thread patterns upon request\u003c\/li\u003e\n\u003cli\u003eSecure locking FDC cap accessible only by Fire Department personnel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eCommercial fire sprinkler systems\u003c\/li\u003e\n\u003cli\u003eStandpipes located in parking garages and stairwells Koorsen\u003c\/li\u003e\n\u003cli\u003eExterior building FDC connections\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FireHoseDirect","offers":[{"title":"3110 (7.5 TPI x 3.068 OD)","offer_id":52410475905205,"sku":"3110","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3112 (7.5 TPI x 2.940 OD)","offer_id":52410475937973,"sku":"3112","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3114 (8.0 TPI x 3.000 OD)","offer_id":52410475970741,"sku":"3114","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3116 (6.0 TPI x 3.062 OD)","offer_id":52410476003509,"sku":"3116","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3118 (8.0 TPI x 3.078 OD)","offer_id":52410476036277,"sku":"3118","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3120 (6.0 TPI x 3.250 OD)","offer_id":52410476069045,"sku":"3120","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3132 (6.0 TPI x 3.290 OD)","offer_id":52410476101813,"sku":"3132","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3136 (6.0 TPI x 3.095 OD)","offer_id":52410476134581,"sku":"3136","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3138 (6.0 TPI x 3.1875 OD)","offer_id":52410476167349,"sku":"3138","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3152 (6.0 TPI x 3.062 OD)","offer_id":52410476200117,"sku":"3152","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3154 (8.0 TPI x 3.313 OD)","offer_id":52410476232885,"sku":"3154","price":355.0,"currency_code":"USD","in_stock":true},{"title":"3160 (6.0 TPI x 3.125 OD)","offer_id":52410476265653,"sku":"3160","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/1413\/7525\/files\/187975.jpg?v=1775569861","url":"https:\/\/firehosedirect.com\/products\/knox-fdc-lock-2-1-2-male-nh-nst-locking-cap","provider":"FireHoseDirect","version":"1.0","type":"link"}