{"product_id":"worcester-87161051300-mechanical-programmer-greenstar-junior-si-rd-timer","title":"Worcester 87161051300 Mechanical Programmer \/ Greenstar Junior Si RD Timer","description":"\u003ch3 data-section-id=\"jc8kvt\" data-start=\"97\" data-end=\"117\"\u003e📄 Description\u003c\/h3\u003e\n\u003cp data-start=\"118\" data-end=\"277\"\u003eGenuine\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"126\" data-end=\"145\"\u003eWorcester Bosch\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epart number\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"158\" data-end=\"173\"\u003e87161051300\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"178\" data-end=\"217\"\u003emechanical programmer \/ timer clock\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for use in selected Worcester Bosch boiler ranges.\u003c\/p\u003e\n\u003cp data-start=\"279\" data-end=\"437\"\u003eThis plug-in timer allows simple 24-hour heating control using an easy-to-use mechanical dial, helping manage heating schedules and improve energy efficiency.\u003c\/p\u003e\n\u003cp data-start=\"439\" data-end=\"651\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"443\" data-end=\"480\"\u003e87161051300 mechanical programmer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly fitted in Worcester Greenstar, Junior, Si and RD boiler ranges and is ideal for replacing faulty or damaged timer units.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"653\" data-end=\"656\"\u003e\n\u003ch3 data-section-id=\"14jobtj\" data-start=\"658\" data-end=\"675\"\u003e⚙️ Features\u003c\/h3\u003e\n\u003cp data-start=\"676\" data-end=\"956\"\u003e✅ Genuine\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"686\" data-end=\"705\"\u003eWorcester Bosch\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOEM Part\u003cbr data-start=\"714\" data-end=\"717\"\u003e✅ Part Number:\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"732\" data-end=\"747\"\u003e87161051300\u003c\/strong\u003e\u003cbr data-start=\"747\" data-end=\"750\"\u003e✅ Mechanical programmer \/ timer ⏱️\u003cbr data-start=\"784\" data-end=\"787\"\u003e✅ 24-hour heating schedule control\u003cbr data-start=\"821\" data-end=\"824\"\u003e✅ Plug-in boiler timer design\u003cbr data-start=\"853\" data-end=\"856\"\u003e✅ Easy-to-use analogue dial\u003cbr data-start=\"883\" data-end=\"886\"\u003e✅ Helps improve heating efficiency 🔥\u003cbr data-start=\"923\" data-end=\"926\"\u003e✅ Direct replacement fitment\u003c\/p\u003e\n\u003chr data-start=\"958\" data-end=\"961\"\u003e\n\u003ch3 data-section-id=\"1ytb4dg\" data-start=\"963\" data-end=\"983\"\u003e📋 Fits Models\u003c\/h3\u003e\n\u003cp data-start=\"984\" data-end=\"1284\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"987\" data-end=\"1021\"\u003eWorcester Greenstar 24i Junior\u003c\/strong\u003e\u003cbr data-start=\"1021\" data-end=\"1024\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1027\" data-end=\"1061\"\u003eWorcester Greenstar 28i Junior\u003c\/strong\u003e\u003cbr data-start=\"1061\" data-end=\"1064\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1067\" data-end=\"1098\"\u003eWorcester Greenstar 24Si II\u003c\/strong\u003e\u003cbr data-start=\"1098\" data-end=\"1101\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1104\" data-end=\"1135\"\u003eWorcester Greenstar 28Si II\u003c\/strong\u003e\u003cbr data-start=\"1135\" data-end=\"1138\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1141\" data-end=\"1171\"\u003eWorcester Greenstar C1 FSN\u003c\/strong\u003e\u003cbr data-start=\"1171\" data-end=\"1174\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1177\" data-end=\"1212\"\u003eWorcester Greenstar R25HE Combi\u003c\/strong\u003e\u003cbr data-start=\"1212\" data-end=\"1215\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1218\" data-end=\"1253\"\u003eWorcester Greenstar R30HE Combi\u003c\/strong\u003e\u003cbr data-start=\"1253\" data-end=\"1256\"\u003e✔️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1259\" data-end=\"1282\"\u003eWorcester RD628 RSF\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1286\" data-end=\"1403\"\u003e✔️ Also fits selected Worcester Bosch boilers using programmer\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1349\" data-end=\"1364\"\u003e87161051300\u003c\/strong\u003e.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1405\" data-end=\"1408\"\u003e\n\u003ch3 data-section-id=\"1gppmv9\" data-start=\"1410\" data-end=\"1427\"\u003e📦 Included\u003c\/h3\u003e\n\u003cp data-start=\"1428\" data-end=\"1490\"\u003e✔️ 1 ×\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1435\" data-end=\"1488\"\u003eWorcester Bosch 87161051300 Mechanical Programmer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1492\" data-end=\"1533\"\u003e📷 Supplied as per part number reference.\u003c\/p\u003e","brand":"WORCESTER","offers":[{"title":"Default Title","offer_id":57992060633462,"sku":null,"price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/0983\/3406\/files\/s-l1600-2026-06-01T120735.186.webp?v=1780312067","url":"https:\/\/star-boiler-spares.com\/products\/worcester-87161051300-mechanical-programmer-greenstar-junior-si-rd-timer","provider":"Star boiler spares","version":"1.0","type":"link"}