{"product_id":"worcester-15-24-sbi-bosch-rx2-rsf-22mm-isolating-service-valve-87161480060","title":"WORCESTER 15 24 SBi \u0026 BOSCH RX2 RSF 22mm ISOLATING SERVICE VALVE 87161480060","description":"\u003ch1\u003e\u003cspan\u003eWorcester 15 24 SBi Bosch RX2 RSF 22mm Isolating Service Valve 87161480060\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWorcester Bosch 22mm Isolating Service Valve (Part Number: 87161480060)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a hydraulic isolation component designed for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWorcester Bosch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e boiler systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe valve forms part of the boiler's heating water connection arrangement, allowing the relevant section of the central heating circuit to be isolated for servicing and maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22mm connection size\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is associated with the boiler's flow and return isolation arrangement. Correct valve operation and sealing are important for maintaining secure hydraulic connections during normal heating operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eℹ️ Product Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part may be available in \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e condition. Please select your desired option from the dropdown menu above. Refurbished valves should be professionally inspected and tested for correct operation and leakage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe isolating service valve is a mechanical shut-off component used within the boiler's hydraulic connection system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt allows the relevant water connection to be isolated when servicing or maintenance is required. Unlike an automatic control valve, it is intended for manual isolation rather than regulating heating temperature or system pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, isolating valves may be affected by mechanical wear, corrosion, internal deposits or deterioration of their sealing components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate an isolating valve or associated hydraulic connection problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWater leakage around the valve body or connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eValve failing to open or close correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eValve mechanism becoming stiff or difficult to operate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVisible corrosion or deterioration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDamaged or worn sealing surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeating system pressure loss associated with leakage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eValve failing to provide effective isolation when closed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty isolating valve\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may result from damaged seals, pipework connections or other hydraulic components. Correct professional diagnosis should be carried out before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis part (MPN: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e87161480060\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) is associated with selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWorcester Bosch 15 SBi and 24 SBi\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e boiler systems and other compatible Worcester boiler hydraulic connection arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease verify the exact boiler model, GC number, part number, 22mm connection specification and valve configuration against the manufacturer's technical documentation before ordering to ensure correct fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler isolating valves and associated pressurised hydraulic components should only be inspected, removed or installed by a \u003c\/span\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan\u003esuitably qualified and competent heating engineer\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance and allow the heating system to cool before carrying out any work. The relevant water circuit must be safely isolated and depressurised before removing the valve. Follow the manufacturer's servicing instructions and complete all required pressure, leakage and operational safety checks before returning the boiler to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"WORCESTER","offers":[{"title":"New \/ Genuine","offer_id":50710947233895,"sku":"N8595","price":27.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo-2026-10-29T164050.183.jpg?v=1793292077","url":"https:\/\/nationalboilerspares.co.uk\/products\/worcester-15-24-sbi-bosch-rx2-rsf-22mm-isolating-service-valve-87161480060","provider":"National Boiler Spares","version":"1.0","type":"link"}