{"v":"2.0","page_type":"product","title":"This Wellworth Black Black high-efficiency toilet tank is a perfect match to bowls of the same color in this KOHLER ensemble, furnishing a uniform, modern look to your bathroom. This unit delivers 1.28 GPF, which is a huge improvement over 3.5 Gal. toilets that were commonly installed in American houses in the 1980s and early 1990s. With a canister flush valve and gravity-assisted syphoning, you?ll find that this tank has thrust comparable to that of yesteryear?s inefficient toilets.","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"KOHLER","href":"/python/html6/menu_brand_products/1000/81000/menu_brand_products_Kohler_1_0cb9bafd17.html"},{"label":"K-4436-7","href":null}],"content":{"product":{"mpn":"K-4436-7","manufacturer":"KOHLER","brand":"KOHLER","brand_url":"/python/html6/menu_brand_products/1000/81000/menu_brand_products_Kohler_1_0cb9bafd17.html","title":"This Wellworth Black Black high-efficiency toilet tank is a perfect match to bowls of the same color in this KOHLER ensemble, furnishing a uniform, modern look to your bathroom. This unit delivers 1.28 GPF, which is a huge improvement over 3.5 Gal. toilets that were commonly installed in American houses in the 1980s and early 1990s. With a canister flush valve and gravity-assisted syphoning, you?ll find that this tank has thrust comparable to that of yesteryear?s inefficient toilets.","description":"","attributes":[{"name":"Brand name","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/2000000/2622000/menu_attr_pair_Brandname_KOHLER_1_e1615c0c64.html"}],"name_url":"/python/html6/menu_attr_pair/1000/2000000/2622000/menu_attr_pair_Brandname_KOHLER_1_e1615c0c64.html"},{"name":"Manufacturer name","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/249000000/249247000/menu_attr_pair_Manufacturername_KOHLER_1_26543ada77.html"}],"name_url":"/python/html6/menu_attr_pair/1000/249000000/249247000/menu_attr_pair_Manufacturername_KOHLER_1_26543ada77.html"},{"name":"Manufacturer","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/219000000/219774000/menu_attr_pair_Manufacturer_KOHLER_1_c67ec3d76b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/219000000/219774000/menu_attr_pair_Manufacturer_KOHLER_1_c67ec3d76b.html"},{"name":"UPC","values":[{"value":"650531858375","url":"/python/html6/menu_attr_pair/1000/20000000/20253000/menu_attr_pair_UPC_650531858375_1_30da1a5ce7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/20000000/20253000/menu_attr_pair_UPC_650531858375_1_30da1a5ce7.html"},{"name":"EAN","values":[{"value":"650531858375","url":"/python/html6/menu_attr_pair/1000/254000000/254410000/menu_attr_pair_EAN_650531858375_1_7a784ab111.html"}],"name_url":"/python/html6/menu_attr_pair/1000/254000000/254410000/menu_attr_pair_EAN_650531858375_1_7a784ab111.html"},{"name":"Part Number","values":[{"value":"K-4436-7","url":"/python/html6/menu_attr_pair/1000/265000000/265219000/menu_attr_pair_PartNumber_K44367_1_c19cb12a43.html"}],"name_url":"/python/html6/menu_attr_pair/1000/265000000/265219000/menu_attr_pair_PartNumber_K44367_1_c19cb12a43.html"},{"name":"Model","values":[{"value":"4436-7","url":"/python/html6/menu_attr_pair/1000/60000000/60801000/menu_attr_pair_Model_44367_1_4f160abafc.html"}],"name_url":"/python/html6/menu_attr_pair/1000/60000000/60801000/menu_attr_pair_Model_44367_1_4f160abafc.html"},{"name":"Product Group","values":[{"value":"Home Improvement","url":"/python/html6/menu_attr_pair/1000/108000000/108133000/menu_attr_pair_ProductGroup_HomeImprovement_1_6250f74b4a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/108000000/108133000/menu_attr_pair_ProductGroup_HomeImprovement_1_6250f74b4a.html"},{"name":"Asin","values":[{"value":"B003BIFH6K","url":"/python/html6/menu_attr_pair/1000/54000000/54824000/menu_attr_pair_Asin_B003BIFH6K_1_9e43bd03a1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/54000000/54824000/menu_attr_pair_Asin_B003BIFH6K_1_9e43bd03a1.html"},{"name":"Binding","values":[{"value":"Tools & Home Improvement","url":"/python/html6/menu_attr_pair/1000/249000000/249805000/menu_attr_pair_Binding_ToolsHomeImprovement_1_7afda7822e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/249000000/249805000/menu_attr_pair_Binding_ToolsHomeImprovement_1_7afda7822e.html"},{"name":"Brand","values":[{"value":"Kohler","url":"/python/html6/menu_attr_pair/1000/130000000/130696000/menu_attr_pair_Brand_Kohler_1_f1ce2ad6a1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/130000000/130696000/menu_attr_pair_Brand_Kohler_1_f1ce2ad6a1.html"},{"name":"Case","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/263000000/263815000/menu_attr_pair_Case_1_1_4de75d695a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/263000000/263815000/menu_attr_pair_Case_1_1_4de75d695a.html"},{"name":"Cat","values":[{"value":"Tools & Home Improvement","url":"/python/html6/menu_attr_pair/1000/97000000/97017000/menu_attr_pair_Cat_ToolsHomeImprovement_1_69946a3384.html"}],"name_url":"/python/html6/menu_attr_pair/1000/97000000/97017000/menu_attr_pair_Cat_ToolsHomeImprovement_1_69946a3384.html"},{"name":"CatId","values":[{"value":"228013","url":"/python/html6/menu_attr_pair/1000/216000000/216358000/menu_attr_pair_CatId_228013_1_32f4bbe0d9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/216000000/216358000/menu_attr_pair_CatId_228013_1_32f4bbe0d9.html"},{"name":"CatTree","values":[{"value":"228013","url":"/python/html6/menu_attr_pair/1000/262000000/262559000/menu_attr_pair_CatTree_228013_1_e0267d5fa5.html"},{"value":"3754161","url":"/python/html6/menu_attr_pair/1000/109000000/109277000/menu_attr_pair_CatTree_3754161_1_7278a3ae0d.html"},{"value":"468240","url":"/python/html6/menu_attr_pair/1000/216000000/216797000/menu_attr_pair_CatTree_468240_1_73ece0ec19.html"},{"value":"680350011","url":"/python/html6/menu_attr_pair/1000/226000000/226606000/menu_attr_pair_CatTree_680350011_1_e7b699f743.html"},{"value":"6810474011","url":"/python/html6/menu_attr_pair/1000/208000000/208989000/menu_attr_pair_CatTree_6810474011_1_7c95296985.html"}],"name_url":"/python/html6/menu_attr_pair/1000/262000000/262559000/menu_attr_pair_CatTree_228013_1_e0267d5fa5.html"},{"name":"Color","values":[{"value":"Black/Black","url":"/python/html6/menu_attr_pair/1000/244000000/244402000/menu_attr_pair_Color_BlackBlack_1_7b8bd3b6d2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/244000000/244402000/menu_attr_pair_Color_BlackBlack_1_7b8bd3b6d2.html"},{"name":"EANList","values":[{"value":"650531858375","url":"/python/html6/menu_attr_pair/1000/67000000/67133000/menu_attr_pair_EANList_650531858375_1_5adf98aa15.html"}],"name_url":"/python/html6/menu_attr_pair/1000/67000000/67133000/menu_attr_pair_EANList_650531858375_1_5adf98aa15.html"},{"name":"Feature","values":[{"value":"Class Five flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness","url":"/python/html6/menu_attr_pair/1000/227000000/227315000/menu_attr_pair_Feature_ClassFiveflushingtechnologyprovidestremend_1_8cd7209a16.html"}],"name_url":"/python/html6/menu_attr_pair/1000/227000000/227315000/menu_attr_pair_Feature_ClassFiveflushingtechnologyprovidestremend_1_8cd7209a16.html"},{"name":"IsDeadAsin","values":[{"value":"True","url":"/python/html6/menu_attr_pair/1000/7000000/7721000/menu_attr_pair_IsDeadAsin_True_1_290f368916.html"}],"name_url":"/python/html6/menu_attr_pair/1000/7000000/7721000/menu_attr_pair_IsDeadAsin_True_1_290f368916.html"},{"name":"Label","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/72000000/72792000/menu_attr_pair_Label_KOHLER_1_76eaebf138.html"}],"name_url":"/python/html6/menu_attr_pair/1000/72000000/72792000/menu_attr_pair_Label_KOHLER_1_76eaebf138.html"},{"name":"MPN","values":[{"value":"K-4436-7","url":"/python/html6/menu_attr_pair/1000/86000000/86114000/menu_attr_pair_MPN_K44367_1_a48a34c720.html"}],"name_url":"/python/html6/menu_attr_pair/1000/86000000/86114000/menu_attr_pair_MPN_K44367_1_a48a34c720.html"},{"name":"Man","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/222000000/222178000/menu_attr_pair_Man_KOHLER_1_dac34f25e7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/222000000/222178000/menu_attr_pair_Man_KOHLER_1_dac34f25e7.html"},{"name":"NumberOfItems","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/6000000/6408000/menu_attr_pair_NumberOfItems_1_1_847345067b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/6000000/6408000/menu_attr_pair_NumberOfItems_1_1_847345067b.html"},{"name":"PackageQuantity","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"},{"name":"PartNumber","values":[{"value":"K-4436-7","url":"/python/html6/menu_attr_pair/1000/26000000/26902000/menu_attr_pair_PartNumber_K44367_1_f7e9c9d257.html"}],"name_url":"/python/html6/menu_attr_pair/1000/26000000/26902000/menu_attr_pair_PartNumber_K44367_1_f7e9c9d257.html"},{"name":"ProductGroup","values":[{"value":"Home Improvement","url":"/python/html6/menu_attr_pair/1000/253000000/253202000/menu_attr_pair_ProductGroup_HomeImprovement_1_dbfa954b12.html"}],"name_url":"/python/html6/menu_attr_pair/1000/253000000/253202000/menu_attr_pair_ProductGroup_HomeImprovement_1_dbfa954b12.html"},{"name":"ProductTypeName","values":[{"value":"PLUMBING_FIXTURE","url":"/python/html6/menu_attr_pair/1000/135000000/135819000/menu_attr_pair_ProductTypeName_PLUMBINGFIXTURE_1_38ceb03430.html"}],"name_url":"/python/html6/menu_attr_pair/1000/135000000/135819000/menu_attr_pair_ProductTypeName_PLUMBINGFIXTURE_1_38ceb03430.html"},{"name":"Publisher","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/194000000/194724000/menu_attr_pair_Publisher_KOHLER_1_c6655dd13f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/194000000/194724000/menu_attr_pair_Publisher_KOHLER_1_c6655dd13f.html"},{"name":"Size","values":[{"value":"3.25","url":"/python/html6/menu_attr_pair/1000/191000000/191831000/menu_attr_pair_Size_325_1_94276a2027.html"}],"name_url":"/python/html6/menu_attr_pair/1000/191000000/191831000/menu_attr_pair_Size_325_1_94276a2027.html"},{"name":"Studio","values":[{"value":"KOHLER","url":"/python/html6/menu_attr_pair/1000/130000000/130612000/menu_attr_pair_Studio_KOHLER_1_2e593f7fcf.html"}],"name_url":"/python/html6/menu_attr_pair/1000/130000000/130612000/menu_attr_pair_Studio_KOHLER_1_2e593f7fcf.html"},{"name":"Title","values":[{"value":"KOHLER K-4436-7 Wellworth 1.28 gpf Toilet Tank with Class Five Flushing Technology, Black Black","url":"/python/html6/menu_attr_pair/1000/82000000/82066000/menu_attr_pair_Title_KOHLERK44367Wellworth128gpfToiletTankwithC_1_5fc18a90ae.html"}],"name_url":"/python/html6/menu_attr_pair/1000/82000000/82066000/menu_attr_pair_Title_KOHLERK44367Wellworth128gpfToiletTankwithC_1_5fc18a90ae.html"},{"name":"UPCList","values":[{"value":"650531858375","url":"/python/html6/menu_attr_pair/1000/146000000/146737000/menu_attr_pair_UPCList_650531858375_1_5dadae1678.html"}],"name_url":"/python/html6/menu_attr_pair/1000/146000000/146737000/menu_attr_pair_UPCList_650531858375_1_5dadae1678.html"},{"name":"Warranty","values":[{"value":"One-year Limited Warranty","url":"/python/html6/menu_attr_pair/1000/243000000/243132000/menu_attr_pair_Warranty_OneyearLimitedWarranty_1_0026f2cc0b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/243000000/243132000/menu_attr_pair_Warranty_OneyearLimitedWarranty_1_0026f2cc0b.html"}],"images":[],"distributors":[{"name":"Home Depot","sku":"203100108","url":"http://www.homedepot.com/p/KOHLER-Wellworth-Classic-1-28-GPF-Single-Flush-Toilet-Tank-Only-with-Class-Five-Flushing-Technology-in-Black-Black-K-4436-7/203100108","pricing":[{"quantity":1,"price_usd":124.2}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":null,"image":"http://www.homedepot.com/catalog/productImages/65/72/72646fff-8893-4db1-9a80-c9f08bce0dc6_65.jpg"},{"name":"kbauthority.com","sku":"K-4436-7","url":"https://www.kbauthority.com/kohler-k-4436-7-wellworth-classic-19-5-8-inch-1-28-gpf-toilet-tank-black.html","pricing":[{"quantity":1,"price_usd":245.88}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.kbauthority.com/images/W/159/K-4436-7_Kohler_Black.jpg"}],"amazon":{"available":true,"products":[{"asin":"B003BIFH6K","title":"KOHLER K-4436-7 Wellworth 1.28 gpf Toilet Tank with Class Five Flushing Technology, Black Black","brand":"Kohler","image":"","url":"https://www.amazon.com/dp/B003BIFH6K?tag=atariguidz09-20"}]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["Home Depot","kbauthority.com","Amazon"],"completeness":0.9,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}