{"product_id":"heatline-d003200374-flow-sensor","title":"Glow-Worm Boilers Heatline Flow Sensor, Boiler Water Flow Switch, Flow Meter Sensor Replacement","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGlow-Worm Boilers Heatline D003200374 Flow Sensor\u003c\/strong\u003e is a replacement component designed to detect water flow within a boiler system. It helps the appliance confirm demand for hot water and supports reliable, efficient operation. Ideal for restoring performance when a worn or faulty sensor causes intermittent hot water or heating issues.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eAccurate flow detection\u003c\/strong\u003e – helps your boiler respond correctly to hot water demand for more consistent performance.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eReplacement boiler part\u003c\/strong\u003e – ideal for swapping a faulty flow sensor to reduce call-backs and repeat faults.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eDesigned for compatibility\u003c\/strong\u003e – specified by manufacturer part number to help ensure the right fit for the correct Heatline application.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSupports efficient operation\u003c\/strong\u003e – correct flow sensing can help prevent unnecessary cycling and improve system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse Case \/ Application\u003c\/h2\u003e\u003cp\u003eThis flow sensor is typically installed inside a domestic boiler or associated pipework where the appliance needs to measure water movement. Suitable for heating and plumbing maintenance tasks such as:\u003c\/p\u003e\u003cul\u003e  \u003cli\u003eDiagnosing hot water activation issues in a \u003cstrong\u003ekitchen\u003c\/strong\u003e or \u003cstrong\u003eutility room\u003c\/strong\u003e\n\u003c\/li\u003e  \u003cli\u003eResolving intermittent hot water in a \u003cstrong\u003ebathroom\u003c\/strong\u003e (showers and taps)\u003c\/li\u003e  \u003cli\u003ePlanned servicing and replacement of worn boiler flow switch components\u003c\/li\u003e  \u003cli\u003eRepairs where a boiler shows flow-related error codes or fails to detect demand\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProblem → Solution\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e fixing boilers that fail to sense water flow properly, helping restore dependable hot water and stable heating performance.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Glow-Worm Boilers\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – D003200374\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eEAN \/ Barcode\u003c\/strong\u003e – 5037985073632\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Flow Sensor (Boiler Flow Switch \/ Flow Meter Sensor)\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eTypical Applications \/ Use Cases\u003c\/strong\u003e – Domestic boiler servicing and repair, hot water flow detection, heating system maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Buy from BHL\u003c\/h2\u003e\u003cp\u003eGlow-Worm Boilers parts are made to support dependable heating system performance, and the Heatline D003200374 flow sensor is a key replacement when flow detection becomes unreliable. Buy online from BHL for competitive pricing, free* \u0026amp; fast UK delivery and genuine parts where relevant, delivered with care from UK warehouses. BHL are a specialist online merchant trusted by thousands of satisfied customers online since 1998, with thousands of 5 star reviews. Order the \u003cstrong\u003eD003200374\u003c\/strong\u003e today for a straightforward repair and peace of mind.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e*see our terms\u003c\/em\u003e\u003c\/p\u003e","brand":"BHL","offers":[{"title":"Default Title","offer_id":59496155349317,"sku":"W-410957","price":61.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/7290\/7589\/files\/upx-w-410957-p0-bcd059acac-ea7dc60b83118848.jpg?v=1792760199","url":"https:\/\/bhl.co.uk\/products\/heatline-d003200374-flow-sensor","provider":"BHL","version":"1.0","type":"link"}