{"product_id":"duca-hot-wather-circulation-pump-15-60-130","title":"DUCA HOT WATHER CIRCULATION PUMP 15\/60-130","description":"\u003ch1\u003e\u003cspan\u003eDUCA Hot Water Circulation Pump 15\/60-130\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\u003eDUCA Hot Water Circulation Pump 15\/60-130\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an electrically driven circulation pump designed to support water movement through suitable heating and hot water circulation systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pump helps maintain water flow through connected pipework, supporting heat distribution and the normal operation of the circulation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15\/60-130 designation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is commonly associated with a 6-metre pump head class and a 130mm installation length. Exact specifications should be confirmed against the model plate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pump is intended for use within the manufacturer's specified electrical, hydraulic and temperature operating limits.\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 product 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 pumps should be professionally inspected and tested to confirm correct operation 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\u003eA circulation pump uses an electrically driven motor and impeller to move water through a connected hydraulic system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrect pump operation helps maintain the circulation required for the system to distribute heated water effectively.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, pump performance may be affected by motor wear, mechanical deterioration, electrical faults or restrictions within the circulation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate a circulation pump or associated system problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePump failing to start or operate correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReduced or inconsistent water circulation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHot water taking longer than expected to circulate through the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUnusual humming, grinding or vibration during operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent pump operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInsufficient circulation through connected heating circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExcessive temperature differences within the circulation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVisible leakage or deterioration around the pump connections.\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 circulation pump\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may result from airlocks, blocked pipework, electrical controls or other hydraulic faults. Correct professional diagnosis should be carried out before replacing the pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eHot water circulation pumps should only be installed, inspected or serviced by a suitably qualified heating or plumbing professional.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the electrical supply and allow the system to cool before carrying out any work. Safely isolate the relevant water circuit and release residual pressure in accordance with the manufacturer's instructions.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eEnsure the pump is suitable for the intended application and water type. Follow the manufacturer's installation requirements and complete appropriate electrical safety, leakage, circulation and operational checks before returning the system to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFor domestic drinking-water applications, confirm that the specific pump is approved for potable water before installation.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"DUCA","offers":[{"title":"New Other","offer_id":51530136354919,"sku":"N9626","price":53.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo-2026-11-10T093809.896.jpg?v=1794304823","url":"https:\/\/nationalboilerspares.co.uk\/products\/duca-hot-wather-circulation-pump-15-60-130","provider":"National Boiler Spares","version":"1.0","type":"link"}