{"product_id":"watts-regulator-rk-909-ck2-3-4-1-repair-kit-0887121-ak","title":"Watts Regulator RK 909 CK2 3\/4-1 Inch Repair Kit 0887121 AK","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"599\"\u003eThe Watts Regulator RK 909 CK2 3\/4\"-1\" Repair Kit (Part No. 0887121 AK) is a genuine OEM second check valve repair kit designed for servicing 3\/4 inch and 1 inch Watts 909 and LF909 Reduced Pressure Zone (RPZ) backflow preventer assemblies. The kit contains the essential internal components required to restore proper operation of the second check valve, helping maintain backflow protection and extend the service life of the assembly. It is intended for preventive maintenance and repair in commercial, industrial, and potable water systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"601\" data-end=\"618\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"619\" data-end=\"1144\"\u003eThe RK 909 CK2 repair kit is widely used by plumbers, maintenance technicians, and facility managers to service Watts 909 and LF909 RPZ backflow preventers installed in municipal water systems, commercial buildings, hospitals, schools, industrial facilities, irrigation systems, and fire protection applications. Replacing worn second check components helps restore valve performance, prevent reverse flow, and maintain compliance with plumbing and cross-connection control requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1146\" data-end=\"1175\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1176\" data-end=\"1877\"\u003e• Manufacturer Part Number (MPN): 0887121 AK\u003cbr data-start=\"1220\" data-end=\"1223\"\u003e• Model: RK 909 CK2 3\/4\"-1\"\u003cbr data-start=\"1250\" data-end=\"1253\"\u003e• Brand: Watts\u003cbr data-start=\"1267\" data-end=\"1270\"\u003e• Product Type: Second Check Valve Repair Kit\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e• Compatible Models: Watts 909 and LF909 RPZ Backflow Preventers\u003cbr data-start=\"1382\" data-end=\"1385\"\u003e• Compatible Valve Sizes: 3\/4 in. and 1 in.\u003cbr data-start=\"1428\" data-end=\"1431\"\u003e• Kit Type: Second Check Repair Kit\u003cbr data-start=\"1466\" data-end=\"1469\"\u003e• Kit Contents: Disc Assembly, Spring, Seat, Seat O-Ring, Cover O-Ring, Lubricant\u003cbr data-start=\"1550\" data-end=\"1553\"\u003e• Service Media: Potable Water\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e• Function: Restores Second Check Valve Performance\u003cbr data-start=\"1637\" data-end=\"1640\"\u003e• Installation: Internal repair of existing backflow preventer\u003cbr data-start=\"1702\" data-end=\"1705\"\u003e• OEM Replacement Part: Yes\u003cbr data-start=\"1732\" data-end=\"1735\"\u003e• Special Tools Required: No\u003cbr data-start=\"1763\" data-end=\"1766\"\u003e• Application: Reduced Pressure Zone (RPZ) Backflow Preventer Maintenance \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1879\" data-end=\"1903\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1904\" data-end=\"2077\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Watts RK 909 CK1 3\/4\"-1\" Repair Kit\u003cbr data-start=\"1941\" data-end=\"1944\"\u003e• Watts RK 909 VT 3\/4\"-1\" Relief Valve Repair Kit\u003cbr data-start=\"1993\" data-end=\"1996\"\u003e• Watts LFRK 909-T 3\/4\"-1\" Total Repair Kit\u003c\/p\u003e","brand":"Watts","offers":[{"title":"New","offer_id":51731199197486,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_4ea176ff-8649-4e30-affd-e1ca6a1d3830.jpg?v=1770595647","url":"https:\/\/plgautomation.com\/products\/watts-regulator-rk-909-ck2-3-4-1-repair-kit-0887121-ak","provider":"PLG Automation ","version":"1.0","type":"link"}