how to change a sprinkler head

{"cid":"91190139","title":"1\/2'' Plastic Irrigation Impact Sprinklers Agriculture Impulse Sprinkler Head","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/62\/37069e50b77394ac154e76fc0094-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"TJ","Model Number":"YA0112","Minimum Order Quantity":"1000pcs","Delivery Time":"10-15days","Certification":"IS09000","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"5000pcs\/day","Packaging Details":"1pc\/bag,100pcs\/ctn","Name":"Impact Water Sprinker","Material":"POM","Sprinkler Type":"0-360 Gear Drive","Thread":"Male 1\/2 Inch","Spring":"stainless steel","Application":"Watering irrigation"}}

{"cid":"91167708","title":"wall-mounted type stainless steel shower, emergency drench shower head","imgUrl":"https:\/\/img.chinax.com\/nimg\/08\/b4\/a6055efd084386fe893083ea373b-200x200-1.jpg","attrs":{"Price":"$60-80\/set","Brand Name":"WINBAY","Model Number":"WBGC11","Minimum Order Quantity":"1","Certification":"CE, OHSAS, ANSI,WATER MARK, ISO","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, paypal","Supply Ability":"10000SETS\/MONTH","Packaging Details":"1-3DAYS","Production standard":"American ANSIZ358.1-2014.","Function":"shower","Nominal pressure":"1.0mpa.","Work pressure":"0.2-0.4mpa","Flow rate":"more than 75.7 L\/min.","inlet size":"1 inch internal thread","outlet":"public discharge","Gross weight":"4KG","Net weight":"3KG","Packing size":"L * W * H = 750 * 300 * 250mm.","Product size":"L * W * H = 260 * 500 * 800mm"}}

{"cid":"91223651","title":"Luxury Shower Steam Wood Sauna Room","imgUrl":"https:\/\/img.chinax.com\/nimg\/f3\/af\/26ed36472e92acac80e1dde02241-200x200-1.jpg","attrs":{"\u8d28\u4fdd\u670d\u52a1":"3\u5e74","\u552e\u540e\u670d\u52a1":"\u7ebf\u4e0a\u6280\u672f\u652f\u6301","\u5de5\u7a0b\u89e3\u51b3\u65b9\u6848\u80fd\u529b":"3D\u5efa\u6a21\u8bbe\u8ba1","\u5e94\u7528\u573a\u666f":"\u536b\u6d74","\u8bbe\u8ba1\u98ce\u683c":"EUROPEAN","\u539f\u4ea7\u5730":"Guangdong, China","\u54c1\u724c":"GUDANNI","\u578b\u53f7":"steam room 01","\u529f\u80fd":"\u6e7f\u84b8","\u7279\u6027":"\u5e26\u7535\u8111\u63a7\u5236\u9762\u677f","\u4e3b\u8981\u6750\u8d28":"\u5b9e\u6728\u5355\u677f","\u4ea7\u54c1\u540d\u79f0":"\u84b8\u6c7d\u623f","\u6750\u6599":"\u9632\u6c34\u6750\u6599","\u7528\u6cd5":"\u6e7f\u84b8\u6c7d\u6851\u62ff\u6d74","\u5e94\u7528\u7a0b\u5e8f":"\u5bb6\u5ead"}}